Patent US3771645A successfully refreshed from Google Patents.
US3771645A
Expired / Lapsed
US
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Package for dispensing thermoplastic bags and method for manufacture thereof
Assignee: Mobil Oil AS
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Filing: 1971-12-14
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Granted: 1973-11-13
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Expires: 1991-12-14
Abstract
Abstract A dispensing package arrangement for thermoplastic bag structures and the like comprising a stack of superimposed, thin, plastic bags characterized by having a lip formed on the rear bag wall comprising an extension of the bag back wall which extends up beyond the open mouth portion of the bag, i.e. above the upper edge of the bag front wall. A header, or retaining means, is folded over the upper portion of the superimposed bag lip members and its lower edge is positioned so that it is above the open mouth portion of the bag structure. Such a header member hold the plurality of bags in a uniform, stacked alignment.
Inventors
- 👤 G Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:35
CPC Classifications
B; B65; B65D; B65D33/00; B65D33/001; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0476; Y10T83/0481
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
184 words
A package for dispensing bag structures comprising a plurality of superimposed thermoplastic bags said bags being characterized by having a front wall integrally joined along its edges to a rear wall, an open mouth portion adjacent the upper edges of said walls, said rear wall being further characterized by extending upwardly above the upper edge of said front wall thereby forming a lip portion on the bag, said lip portion being characterized by having a line of perforations extending thereacross approximately midway between the upper edge of the lip and the portion of the back wall adjacent the upper edge of the front wall; said bag dispensing structure being further characterized by having a substantially rigid bag retaining and alignment member, said member being substantially the same width as the width of said bag lips and further characterized by being folded around the upper edges of the super-imposed bag lips and fastened thereto whereby said bags are retained in stacked alignment, said bag retaining means being perforated across its width in alignment with and overlying said line of perforations in said bag lip portion.
Claim 2
Dependent Claim
184 words
A package for dispensing bag structures comprising a plurality of superimposed thermoplastic bags said bags being characterized by having a front wall integrally joined along its edges to a rear wall, an open mouth portion adjacent the upper edges of said walls, said rear wall being further characterized by extending upwardly above the upper edge of said front wall thereby forming a lip portion on the bag, said lip portion being characterized by having a line of perforations extending thereacross approximately midway between the upper edge of the lip and the portion of the back wall adjacent the upper edge of the front wall; said bag dispensing structure being further characterized by having a substantially rigid bag retaining and alignment member, said member being substantially the same width as the width of said bag lips and further characterized by being folded around the upper edges of the super-imposed bag lips and fastened thereto whereby said bags are retained in stacked alignment, said bag retaining means being perforated across its width in alignment with and overlying said line of perforations in said bag lip portion.
Claim 3
Dependent Claim
22 words
A package in accordance with claim 1 wherein said retaining member and said bag lips are uniformly perforated throughout their entire thickness.
Claim 4
Dependent Claim
19 words
A package in accordance with claim 1 wherein said retaining member is fastened to said bag lip utilizing staples.
Claim 5
Dependent Claim
26 words
A package in accordance with claim 1 wherein said upper lip and said retaining member have an aperture extending throughout the thickness of said bag package.
Claim 6
Dependent Claim
27 words
A package in accordance with claim 1 wherein said retaining member is fabricated from a member selected from the class consisting of chipboard, cardboard, plastic, and paper.
Claim 7
Dependent Claim
40 words
A method for the production of a package of bags as defined in claim 1 whereby said bag lip portions are perforated subsequent to securing said bag structures in aligned and stacked configuration by means of said bag retaining means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |