US5773801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave cooking construction for popping corn
Assignee: Conagra Brands Inc
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Filing: 1996-10-01
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Granted: 1998-06-30
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Expires: 2016-10-01
Abstract
Abstract A construction for container charge of popcorn to be heated in a microwave heating operation is provided. The construction generally comprises a flexible single-ply bag having a microwave interactive construction secured thereto. A variety of embodiments are described. An arrangement including a charged popcorn therein is also provided. Further, methods of constructing such arrangements of methods of use are described.
Inventors
- 👤 Robert Harmon Blamer
- 👤 Denise Ellen Hanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:08
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/34; B65D81/3446; B65D81/3461; B65D81/3469; B65D2581/00; B65D2581/34; B65D2581/3401; B65D2581/3402; B65D2581/3421; B65D2581/3429; B65D2581/3437; B65D2581/3463; B65D2581/3466; B65D2581/3471; B65D2581/3472; B65D2581/3486; B65D2581/3494; Y; Y10; Y10S; Y10S99/00; Y10S99/14
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
349 words
A construction for containing a charge of popcorn to be heated during a microwave heating operation; said construction comprising: (a) a flexible single-ply bag comprising flexible paper; said bag having first and second, opposite, ends and an outer surface; (b) said bag including front and back panels each having opposite side edges; said bag further including first and second, opposite, gussets extending between said front and back panels; said front panel having a central portion; each of said gussets comprising: (i) a first, outwardly directed, gusset fold where the gusset is secured to the front panel; (ii) a second, outwardly directed, gusset fold where the gusset is secured to the back panel; and, (iii) a third, central, inwardly directed, gusset fold; each of said gussets extending completely between said first and second bag ends; and (c) a microwave interactive construction secured to said outer surface of said bag; said microwave interactive construction including a layer of microwave interactive metallic material; said microwave interactive construction being oriented such that said layer of microwave interactive material does not extend completely between said first and second ends of said bag; said microwave interactive construction being secured to said front panel by adhesive positioned on said central portion of said front panel, between said side edges; (i) said microwave interactive construction comprising a laminate including: (A) a layer of flexible paper having a basis weight of no greater than about 45 lbs. per ream; and, (B) a layer of flexible plastic material; (C) said layer of microwave interactive material being positioned between said layer of flexible paper and said layer of flexible plastic material; (ii) said microwave interactive construction being secured to said bag with said layer of flexible plastic material and said layer of microwave interactive metallic material positioned between at least a portion of said layer of flexible paper, and said bag outer surface; and, (iii) said microwave interactive construction including a portion of said layer of flexible paper which is secured directly to said bag outer surface, without any portion of said plastic layer and said metallic layer there between.
Claim 2
Dependent Claim
349 words
A construction for containing a charge of popcorn to be heated during a microwave heating operation; said construction comprising: (a) a flexible single-ply bag comprising flexible paper; said bag having first and second, opposite, ends and an outer surface; (b) said bag including front and back panels each having opposite side edges; said bag further including first and second, opposite, gussets extending between said front and back panels; said front panel having a central portion; each of said gussets comprising: (i) a first, outwardly directed, gusset fold where the gusset is secured to the front panel; (ii) a second, outwardly directed, gusset fold where the gusset is secured to the back panel; and, (iii) a third, central, inwardly directed, gusset fold; each of said gussets extending completely between said first and second bag ends; and (c) a microwave interactive construction secured to said outer surface of said bag; said microwave interactive construction including a layer of microwave interactive metallic material; said microwave interactive construction being oriented such that said layer of microwave interactive material does not extend completely between said first and second ends of said bag; said microwave interactive construction being secured to said front panel by adhesive positioned on said central portion of said front panel, between said side edges; (i) said microwave interactive construction comprising a laminate including: (A) a layer of flexible paper having a basis weight of no greater than about 45 lbs. per ream; and, (B) a layer of flexible plastic material; (C) said layer of microwave interactive material being positioned between said layer of flexible paper and said layer of flexible plastic material; (ii) said microwave interactive construction being secured to said bag with said layer of flexible plastic material and said layer of microwave interactive metallic material positioned between at least a portion of said layer of flexible paper, and said bag outer surface; and, (iii) said microwave interactive construction including a portion of said layer of flexible paper which is secured directly to said bag outer surface, without any portion of said plastic layer and said metallic layer there between.
Claim 3
Dependent Claim
26 words
A construction according to claim 1 wherein said flexible single-ply bag comprises flexible paper having a basis weight of no greater than 45 lbs. per ream.
Claim 4
Dependent Claim
140 words
A construction according to claim 1 wherein: (a) said microwave interactive construction includes: (i) a first gusset portion in said layer of flexible paper which is oriented to reinforce a section of said third gusset fold, in said first gusset, without any of said layer of metallic material being between said first gusset portion of said layer of flexible paper and said bag, in the reinforced section of said third gusset fold in said first gusset; and, (ii) a second gusset portion in said layer of flexible paper which is oriented to reinforce a section of said third gusset fold, in said second gusset, without any of said layer of metallic material being between said second gusset portion of said layer of flexible paper and said bag, in the reinforced section of said third gusset fold in said second gusset.
Claim 5
Dependent Claim
52 words
A construction according to claim 1 wherein: (a) said microwave interactive construction includes a portion thereof oriented: (i) to reinforce said bag along a portion of said first gusset fold in said first gusset; and, (ii) to reinforce said bag along a portion of said first gusset fold in said second gusset.
Claim 6
Dependent Claim
88 words
A construction according to claim 4 wherein: (a) said portion of said microwave construction which is oriented to reinforce said bag along a portion of said first gusset fold in said first gusset comprises a portion of said microwave construction including a layer of metallic material therein; and, (b) said portion of said microwave construction which is oriented to reinforce said bag along a portion of said first gusset fold in said second gusset comprises a portion of said microwave construction including a layer of metallic material therein.
Claim 7
Dependent Claim
52 words
A construction according to claim 1 wherein: (a) said microwave interactive construction includes a portion thereof oriented: (i) to reinforce said bag along a portion of said first gusset fold in said first gusset; and, (ii) to reinforce said bag along a portion of said first gusset fold in said second gusset.
Claim 8
Dependent Claim
88 words
A construction according to claim 6 wherein: (a) said portion of said microwave construction which is oriented to reinforce said bag along a portion of said first gusset fold in said first gusset comprises a portion of said microwave construction including a layer of metallic material therein; and, (b) said portion of said microwave construction which is oriented to reinforce said bag along a portion of said first gusset fold in said second gusset comprises a portion of said microwave construction including a layer of metallic material therein.
Claim 9
Dependent Claim
95 words
A construction according to claim 1 wherein: (a) said bag construction includes first and second, spaced, transverse folds thereacross; said first and second transverse folds dividing said bag construction a central portion with first and second, opposite, end portions; and, (b) said microwave interactive construction is positioned on said bag construction central portion, with: (i) a first portion of said layer of metallic material extending beyond said first transverse fold from said central portion; and, (ii) a second portion of said layer of metallic material extending beyond said second transverse fold, from said central portion.
Claim 10
Dependent Claim
39 words
A construction according to claim 1 wherein: (a) at least a portion of said single-ply bag comprises paper: (i) including a fiber penetrating base coat, for grease resistance; and, (ii) having a top coat of grease resistant material thereon.
Claim 11
Dependent Claim
18 words
A construction according to claim 1 including: (a) a charge of oil/fat mixed with said charge of popcorn.
Claim 12
Dependent Claim
144 words
A construction according to claim 1 wherein: (a) said microwave interactive construction includes: (i) a first gusset portion in said layer of flexible paper which is oriented to reinforce a section of said third gusset fold, in said first gusset, without any of said layer of plastic material and said layer of metallic material between said first gusset portion of said layer of flexible paper and said bag, in the reinforced section of said third gusset fold in said first gusset; and, (ii) a second gusset portion in said layer of flexible paper which is oriented to reinforce a section of said third gu&set fold, in said second gusset, without any of said layer of metallic material between said second gusset portion of said layer of flexible paper and said bag, in the reinforced section of said third gusset fold in said second gusset.
Claim 13
Dependent Claim
42 words
A construction according to claim 1, wherein: (a) said microwave interactive construction includes a portion reinforcing a part of said first gusset fold, in each gusset, extending adjacent a part of said bag whereat a charge of popcorn is located, in use.
References Cited (Backward Citations)
CA692877A
Cited
CA449465A
Cited
US2041227A
Cited
US2149872A
Cited
US2628764A
Cited
US2741559A
Cited
US3035754A
Cited
US3027261A
Cited
US3008835A
Cited
US3036616A
Cited
US3052554A
Cited
US3293048A
Cited
US3207420A
Cited
US3317118A
Cited
US3286832A
Cited
DE1786047A1
Cited
US3689291A
Cited
US3637132A
Cited
US3671270A
Cited
US3873735A
Cited
US3851574A
Cited
US3835280A
Cited
US3973045A
Cited
US3970241A
Cited
US3853612A
Cited
US4038425A
Cited
CA1069861A
Cited
US4292332A
Cited
US4190757A
Cited
US4267420A
Cited
US4230924A
Cited
US4219573A
Cited
US4641005A
Cited
US4404241A
Cited
US4548826A
Cited
US4450180A
Cited
US4461031A
Cited
US4518651A
Cited
US4553010A
Cited
US4678882A
Cited
US4691374A
Cited
US4604854A
Cited
US4584202A
Cited
US4571337A
Cited
US5306512A
Cited
US4735513A
Cited
US4878765A
Cited
US4698472A
Cited
EP0276654A1
Cited
GB2202118A
Cited
US4825024A
Cited
US4851246A
Cited
EP0312333A2
Cited
US4904488A
Cited
US5006405A
Cited
US5079083A
Cited
EP0357008A2
Cited
US4943456A
Cited
US4864090A
Cited
US5175031A
Cited
US4982064A
Cited
US4973810A
Cited
US4970358A
Cited
US5011299A
Cited
WO1993000849A1
Cited
US5081330A
Cited
US5195829A
Cited
US5044777A
Cited
US5211975A
Cited
US5223288A
Cited
US5344661A
Cited
US5294765A
Cited
US5405663A
Cited
US5189272A
Cited
US5302790A
Cited
US5357086A
Cited
US5461216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-06-29 | 2001-12-29 | 2002-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-06-29 | 2005-12-29 | 2006-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-06-29 | 2009-12-29 | 2010-06-30 | $7700.00 | Window Closed / Lapsed |