Patent US3836068A successfully refreshed from Google Patents.
US3836068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Handle-type carrying bag made of plastics material sheeting
Assignee: Windmoeller and Hoelscher KG
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Filing: 1972-06-27
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Granted: 1974-09-17
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Expires: 1992-06-27
Abstract
Abstract Only one wall of the bag is provided with a heat-sealed carrying handle made of stiff synthetic thermoplastics. The other wall of the bag is provided with a lead-out slot on the level of the lower end of the handle and has a reversely foldable portion extending beyond said lead-out slot.
Inventors
- 👤 A Schwarzkopf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:57
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/16; B65D33/24; B65D33/246
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
177 words
A handle-type carrying bag made of plastic material sheeting comprising two opposing walls united at their side and bottom edges, a heat-sealed carrying handle made of stiff synthetic thermoplastics mounted on one of said walls, the other one of said walls being provided with a lead-out slot on the level of the lower end of said handle and comprising a portion extending beyond said lead-out slot, said carrying handle comprising a grip portion having a base and an upper portion and a heat-sealing strip integral with said grip portion, said grip portion being tapered upwardly so that it can be slipped more easily through said lead-out slot and having a maximum length at a location slightly over said heat-sealing strip, said lead-out slot having a length which is approximately equal to said maximum length of said grip portion, said heat-sealing strip having an enlarged portion at its upper edge adjacent to said lead-out slot and slightly spaced from said grip portion, said grip portion being wider at its base than the adjacent portion of said heat-sealing strip.
Claim 2
Dependent Claim
177 words
A handle-type carrying bag made of plastic material sheeting comprising two opposing walls united at their side and bottom edges, a heat-sealed carrying handle made of stiff synthetic thermoplastics mounted on one of said walls, the other one of said walls being provided with a lead-out slot on the level of the lower end of said handle and comprising a portion extending beyond said lead-out slot, said carrying handle comprising a grip portion having a base and an upper portion and a heat-sealing strip integral with said grip portion, said grip portion being tapered upwardly so that it can be slipped more easily through said lead-out slot and having a maximum length at a location slightly over said heat-sealing strip, said lead-out slot having a length which is approximately equal to said maximum length of said grip portion, said heat-sealing strip having an enlarged portion at its upper edge adjacent to said lead-out slot and slightly spaced from said grip portion, said grip portion being wider at its base than the adjacent portion of said heat-sealing strip.
Claim 3
Dependent Claim
43 words
A carrying bag according to claim 1, wherein said grip portion is undercut between said location of maximum length and said heat-sealing strip and wherein said lead-out slot has a length which is slightly less than said maximum length of said grip portion.
Claim 4
Dependent Claim
22 words
A carrying bag according to claim 1, wherein said enlarged portion of said heat-sealing strip is in the form of a bead.
Claim 5
Dependent Claim
15 words
A carrying bag according to claim 1, wherein said grip portion comprises an open-topped channel.
Claim 6
Dependent Claim
33 words
A carrying bag according to claim 4, wherein said enlarged portion of said heat-sealing strip is T-shaped in cross-section and the crosspiece of the T is narrower than the web of said channel.
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) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |