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US3836068A Expired / Lapsed US ⏱️ 0.0 years remaining

Handle-type carrying bag made of plastics material sheeting

Assignee: Windmoeller and Hoelscher KG
•
Filing: 1972-06-27
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Granted: 1974-09-17
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Expires: 1992-06-27
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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 19:28
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)

US1832409A Cited
US2458173A Cited
US2908438A Cited
US2967011A Cited
US3549085A Cited

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

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