Patent US4550439A successfully refreshed from Google Patents.
US4550439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic bag with carrying handle
Assignee: Paramount Packaging Corp
•
Filing: 1983-05-20
•
Granted: 1985-10-29
•
Expires: 2003-05-20
Abstract
Abstract A plastic bag has a front panel joined along its side edges to a rear panel with a gusset at one end of the panels. A handle is disposed within the gusset and connected to the panels by a triangular weld.
Inventors
- 👤 Harry R. Peppiatt
- 👤 John S. Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:13
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/004; B29C65/00; B29C65/02; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7891; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/818; B29C66/8181; B29C66/81811; B29C66/83; B29C66/832; B29C66/8322; B29C66/83221; B29C66/84; B29C66/851; B29C66/8511; B65; B65D; B65D33/00; B65D33/06; B65D33/10; B29C66/71
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
94 words
A polymeric plastic bag having a front panel joined along side edges to a rear panel, an opening at one end of said panels and a gusset joining the opposite ends of said panels, a handle in said gusset, said handle having two layers joined along a fold line, the free edges of the handle being adjacent the outer extremity of the gusset, each end of said handle being welded to each of said panels by a shaped weld having an apex corresponding generally to the location of the fold line on said handle.
Claim 2
Dependent Claim
94 words
A polymeric plastic bag having a front panel joined along side edges to a rear panel, an opening at one end of said panels and a gusset joining the opposite ends of said panels, a handle in said gusset, said handle having two layers joined along a fold line, the free edges of the handle being adjacent the outer extremity of the gusset, each end of said handle being welded to each of said panels by a shaped weld having an apex corresponding generally to the location of the fold line on said handle.
Claim 3
Dependent Claim
25 words
A bag in accordance with claim 1 wherein each of said welds is a triangle with the included angle at the apex being approximately 90°.
Claim 4
Dependent Claim
23 words
A bag in accordance with claim 2 wherein the folded width of the handle is approximately one half the depth of the gusset.
Claim 5
Dependent Claim
31 words
A bag in accordance with claim 1 wherein said side edges of said panels are welded together by a weld line which intersects the apex on each of said shaped welds.
Claim 6
Dependent Claim
155 words
A polymeric plastic bag having a front panel joined along side edges to a rear panel, an opening at one end of said panels, a gusset integral in one piece with and joining the opposite ends of said panels, a handle in said gusset, said handle having two layers joined along a fold line, the free edges of the handle being adjacent the outer extremity of the gusset, each end of said handle being welded to each of said panels and said gusset by a triangular shaped weld having an apex corresponding generally to the location of the fold line on said handle, said welds having the included angle at the apex of approximately 90°, the folded width of the handle being approximately one half the depth of the gusset, and said side edges of said panels being welded together by a weld line which intersects the apex on each of said triangular shaped welds.
Claim 7
Dependent Claim
155 words
A polymeric plastic bag having a front panel joined along side edges to a rear panel, an opening at one end of said panels, a gusset integral in one piece with and joining the opposite ends of said panels, a handle in said gusset, said handle having two layers joined along a fold line, the free edges of the handle being adjacent the outer extremity of the gusset, each end of said handle being welded to each of said panels and said gusset by a triangular shaped weld having an apex corresponding generally to the location of the fold line on said handle, said welds having the included angle at the apex of approximately 90°, the folded width of the handle being approximately one half the depth of the gusset, and said side edges of said panels being welded together by a weld line which intersects the apex on each of said triangular shaped welds.
Claim 8
Dependent Claim
28 words
A bag in accordance with claim 5 wherein one of said panels is longer than the other and has a pair of holes therein adjacent said one end.
Claim 9
Dependent Claim
23 words
A bag in accordance with claim 1 wherein said weld is a triangle with its base at said opposite ends of the panels.
Claim 10
Dependent Claim
24 words
A bag in accordance with claim 7 wherein said handle has a width generally equal to the length of the base of said triangle.
Claim 11
Dependent Claim
87 words
A polymeric plastic bag having a front panel joined along side edges to a rear panel, an opening at one end of said panels and a gusset joining the opposite ends of said panels, a handle in said gusset, said handle having two layers joined along a fold line and free edge portions between its ends, each end of said handle being welded to each of said panels by a shaped weld having an apex corresponding generally to the location of the fold line on said handle.
Claim 12
Dependent Claim
87 words
A polymeric plastic bag having a front panel joined along side edges to a rear panel, an opening at one end of said panels and a gusset joining the opposite ends of said panels, a handle in said gusset, said handle having two layers joined along a fold line and free edge portions between its ends, each end of said handle being welded to each of said panels by a shaped weld having an apex corresponding generally to the location of the fold line on said handle.
Claim 13
Dependent Claim
148 words
A polymeric plastic bag having a front panel joined along side edges to a rear panel, an opening at one end of said panels, a gusset integral in one piece with and joining the opposite ends of said panels, a handle in said gusset, said handle having two layers joined along a fold line and free edge portions between its ends, each end of said handle being welded to each of said panels and said gusset by a triangular shaped weld having an apex corresponding generally to the location of the fold line on said handle, said welds having the included angle at the apex of approximately 90°, the folded width of the handle being approximately one half the depth of the gusset, and said side edges of said panels being welded together by a weld line which intersects the apex on each of said triangular shaped welds.
Claim 14
Dependent Claim
148 words
A polymeric plastic bag having a front panel joined along side edges to a rear panel, an opening at one end of said panels, a gusset integral in one piece with and joining the opposite ends of said panels, a handle in said gusset, said handle having two layers joined along a fold line and free edge portions between its ends, each end of said handle being welded to each of said panels and said gusset by a triangular shaped weld having an apex corresponding generally to the location of the fold line on said handle, said welds having the included angle at the apex of approximately 90°, the folded width of the handle being approximately one half the depth of the gusset, and said side edges of said panels being welded together by a weld line which intersects the apex on each of said triangular shaped welds.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-10-28 | 1989-04-29 | 1989-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-28 | 1993-04-29 | 1993-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-28 | 1997-04-29 | 1997-10-29 | $7700.00 | Window Closed / Lapsed |