US4373636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container
Assignee: SLICES Inc A DE CORP
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Filing: 1981-02-18
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Granted: 1983-02-15
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Expires: 2001-02-18
Abstract
Abstract The tray is provided with ribs across the base to provide air flow passages under a hot pizza pie or slice to prevent the pizza from becoming soggy. The ribs also serve to stiffen the tray. The wall of the tray may also be provided with vertical ribs. A ledge is provided to receive an imperforate cover and integral protuberances or flanges on the tray secure the cover in place. In one embodiment, the wall of the tray is sloped to facilitate removal of a pizza slice.
Inventors
- 👤 Louis S. Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:18
CPC Classifications
B; B65; B65D; B65D1/00; B65D1/34; B65D77/00; B65D77/10; B65D77/20; B65D77/2004; B65D77/2012; B65D77/2016; B65D81/00; B65D81/24; B65D81/26; B65D81/261; B65D2577/00; B65D2577/10; B65D2577/20; B65D2577/2041; B65D2577/205; B65D2581/00; B65D2581/34; B65D2581/3401; B65D2581/3402; B65D2581/3405; B65D2581/3406
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
54 words
A container for pizza comprising a tray of predetermined geometric shape having a base, a peripheral wall defining a chamber and a plurality of raised elongated ribs on said base for receiving pizza thereon while defining airflow passages therebetween; and a cover removably mounted on said wall of said tray to enclose said chamber.
Claim 2
Dependent Claim
54 words
A container for pizza comprising a tray of predetermined geometric shape having a base, a peripheral wall defining a chamber and a plurality of raised elongated ribs on said base for receiving pizza thereon while defining airflow passages therebetween; and a cover removably mounted on said wall of said tray to enclose said chamber.
Claim 3
Dependent Claim
37 words
A container as set forth in claim 1 wherein said ribs are in parallel spaced relation at a spacing of approximately three-sixteenths inch with a height of approximately one-eight inch and a width of approximately one-eight inch.
Claim 4
Dependent Claim
27 words
A container as set forth in claim 1 wherein said tray is made of a material selected from the group consisting of solid plastic and foamed plastic.
Claim 5
Dependent Claim
15 words
A container as set forth in claim 1 wherein said cover is made of cardboard.
Claim 6
Dependent Claim
13 words
A container as set forth in claim 1 wherein said cover is imperforate.
Claim 7
Dependent Claim
36 words
A container as set forth in claim 1 wherein said peripheral wall has a ledge spaced above said base receiving said cover thereon and means spaced above said ledge releaseably securing said cover on said ledge.
Claim 8
Dependent Claim
22 words
A container as set forth in claim 6 wherein said ledge has a plurality of spaced apart recesses communicating with said chamber.
Claim 9
Dependent Claim
19 words
A container as set forth in claim 1 wherein said tray and said cover are each of triangular shape.
Claim 10
Dependent Claim
26 words
A container as set forth in claim 8 wherein said cover has a tab at an apex thereof for removal of said cover from said tray.
Claim 11
Dependent Claim
31 words
A container as set forth in claim 1 wherein said tray and said cover are each of circular shape, and said ribs are radially disposed in spaced relation to each other.
Claim 12
Dependent Claim
21 words
A container as set forth in claim 1 wherein said tray includes a plurality of vertical ribs on said peripheral wall.
Claim 13
Dependent Claim
45 words
A container as set forth in claim 1 wherein said wall includes a plurality of outwardly directed flanges at an upper end and said cover includes a plurality of slits, each said flange extending through a respective slit to secure said cover to said tray.
Claim 14
Dependent Claim
47 words
A container as set forth in claim 1 wherein said base is of triangular shape and said wall includes a plurality of upstanding sections and a sloped rear section extending from said base for sliding of a pizza slice from said tray after opening of said cover.
Claim 15
Dependent Claim
23 words
A container as set forth in claim 13 wherein said sloped rear section has a plurality of raised ribs extending from said base.
Claim 16
Dependent Claim
58 words
A container as set forth in claim 1 wherein said ribs are in parallel spaced relation and extend between oppositely disposed portions of said peripheral wall, each said rib having oppositely disposed end portions spaced from a respective portion of said peripheral wall to define air flow passages open at each respective end portion to said peripheral wall.
Claim 17
Dependent Claim
66 words
A container comprising a tray of thin-walled construction and predetermined geometric shape having a base, a peripheral wall defining a chamber and having a ledge spaced above said base and protuberances spaced above said ledge, and a plurality of raised elongated ribs on said base defining airflow passages therebetween; and an imperforate cover removably mounted on said ledge and under said protuberances to enclose said chamber.
Claim 18
Dependent Claim
66 words
A container comprising a tray of thin-walled construction and predetermined geometric shape having a base, a peripheral wall defining a chamber and having a ledge spaced above said base and protuberances spaced above said ledge, and a plurality of raised elongated ribs on said base defining airflow passages therebetween; and an imperforate cover removably mounted on said ledge and under said protuberances to enclose said chamber.
Claim 19
Dependent Claim
34 words
A container as set forth in claim 16 wherein said tray is made of a material selected from the group consisting of solid plastic and foamed plastic and said cover is made of cardboard.
Claim 20
Dependent Claim
28 words
A container as set forth in claim 16 wherein each rib has a height of approximately 1/8 inch above said base and a width of approximately 1/8 inch.
Claim 21
Dependent Claim
81 words
A container for a pizza slice comprising a tray having a base, a peripheral wall defining a chamber and a plurality of spaced apart flanges extending outwardly from said wall at an upper end thereof; and a cover removably mounted on said wall of said tray, said cover extending outwardly of said peripheral wall and having a plurality of spaced apart slits, each said slit having a respective flange of said tray extending therethrough to secure said cover to said tray.
Claim 22
Dependent Claim
81 words
A container for a pizza slice comprising a tray having a base, a peripheral wall defining a chamber and a plurality of spaced apart flanges extending outwardly from said wall at an upper end thereof; and a cover removably mounted on said wall of said tray, said cover extending outwardly of said peripheral wall and having a plurality of spaced apart slits, each said slit having a respective flange of said tray extending therethrough to secure said cover to said tray.
Claim 23
Dependent Claim
32 words
A container as set forth in claim 19 wherein said wall includes a sloped section extending from said base to permit sliding of a pizza slice thereon upon opening of said container.
Claim 24
Dependent Claim
13 words
A container as set forth in claim 20 wherein said base is triangular.
Claim 25
Dependent Claim
15 words
A container as set forth in claim 19 wherein said cover is flat and imperforate.
Claim 26
Dependent Claim
47 words
A tray for pizza comprising a base, a peripheral wall about said base of triangular shape to define a chamber therewith; and a plurality of raised elongated ribs on said base for receiving pizza thereon, said ribs being disposed across said base to define airflow passages therebetween.
Claim 27
Dependent Claim
47 words
A tray for pizza comprising a base, a peripheral wall about said base of triangular shape to define a chamber therewith; and a plurality of raised elongated ribs on said base for receiving pizza thereon, said ribs being disposed across said base to define airflow passages therebetween.
Claim 28
Dependent Claim
16 words
A tray as set forth in claim 23 wherein said ribs are parallel to each other.
Claim 29
Dependent Claim
27 words
A tray as set forth in claim 23 wherein said wall has a sloped section extending from said base to permit sliding of a pizza slice thereon.
Claim 30
Dependent Claim
49 words
A tray for pizza comprising: a base of circular shape; a peripheral wall about said circular base to define a chamber therewith; and a plurality of raised elongated ribs on said circular base for receiving pizza thereon, said ribs being disposed across said base to define airflow passages therebetween.
Claim 31
Dependent Claim
49 words
A tray for pizza comprising: a base of circular shape; a peripheral wall about said circular base to define a chamber therewith; and a plurality of raised elongated ribs on said circular base for receiving pizza thereon, said ribs being disposed across said base to define airflow passages therebetween.
Claim 32
Dependent Claim
20 words
A tray as set forth in claim 26 wherein said ribs are disposed in a radiating pattern on said base.
References Cited (Backward Citations)
US3151799A
Cited
US3261530A
Cited
US3436231A
Cited
US3464832A
Cited
US3480197A
Cited
US3708086A
Cited
US4058214A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-02-14 | 1986-08-16 | 1987-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-02-14 | 1990-08-16 | 1991-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-02-14 | 1994-08-16 | 1995-02-15 | $7700.00 | Window Closed / Lapsed |