Patent US4203528A successfully refreshed from Google Patents.
US4203528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-storing pull strip for easy opening containers
Assignee: Continental Group Inc
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Filing: 1979-04-30
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Granted: 1980-05-20
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Expires: 1999-04-30
Abstract
Abstract This disclosure relates to a pull strip which is molded of plastics material to have hinge sections with a memory so that a strap portion thereof will automatically fold upon itself in such a manner that the removable panel portion attached thereto and removed therewith will be automatically swung to a position radially beyond the end unit and then down alongside the container in a stored, out-of-the-way position.
Inventors
- 👤 Gary K. Hasegawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:26
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401; B65D17/4012
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
83 words
A pull strip for use in an easy opening container having a removable panel portion, said pull strip comprising an elongated strap portion, a securing portion and a grip portion; said strip portion being narrower than said securing portion and being divided into a terminal anchoring part, an intermediate part and an extension part by transverse hinge means each having a memory automatically operable to effect a folding of said parts of said strip portion from a planar state towards reversely folded portions.
Claim 2
Dependent Claim
83 words
A pull strip for use in an easy opening container having a removable panel portion, said pull strip comprising an elongated strap portion, a securing portion and a grip portion; said strip portion being narrower than said securing portion and being divided into a terminal anchoring part, an intermediate part and an extension part by transverse hinge means each having a memory automatically operable to effect a folding of said parts of said strip portion from a planar state towards reversely folded portions.
Claim 3
Dependent Claim
17 words
The pull strip of claim 1 wherein said intermediate part is materially longer than said anchoring part.
Claim 4
Dependent Claim
23 words
The pull strip of claim 2 wherein said extension part is a direct continuation of said securing portion and remains substantially coplanar therewith.
Claim 5
Dependent Claim
13 words
The pull strip of claim 2 wherein said grip portion is separately formed.
Claim 6
Dependent Claim
30 words
The pull strip of claim 1 wherein said securing portion has two rivet openings and said anchoring part has at least one rivet opening, said rivet openings being in alignment.
Claim 7
Dependent Claim
71 words
A pull strip according to claim 1 wherein said pull strip is part of a container end unit including a removable panel portion, said securing portion overlies and is secured to said removable panel portion, said securing portion being of an outline corresponding to the outline of said removable panel portion and aligned therewith, and said anchoring part is fixedly secured to said end unit remote from said removable panel portion.
Claim 8
Dependent Claim
83 words
The pull strip of claim 6 wherein said end unit is secured to a can body by a peripheral seam, and the portion of said anchoring part relative to said seam and the length of said intermediate part is such that when said removable panel portion is removed said hinge means between said intermediate part and said extension part overlies said seam and said extension part, said securing portion, said grip portion and said removed removable panel portion depend alongside said can body.
Claim 9
Dependent Claim
28 words
The pull strip of claim 6 wherein said securing portion is secured to said removable panel portion by a pair of fasteners spaced longitudinally of said pull strip.
Claim 10
Dependent Claim
47 words
The pull strip of claim 8 wherein said removable panel portion has a starting end, one of said fasteners is adjacent said starting end, said grip portion is separately formed, and said one fastener secures said grip portion to said securing portion and said removable panel portion.
Claim 11
Dependent Claim
27 words
The pull strip of claim 9 wherein said grip portion is of a lesser longitudinal extent than said securing portion and termianting short of said second fastener.
References Cited (Backward Citations)
US3813000A
Cited
US3847300A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-05-20 | 1983-11-19 | 1984-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-05-20 | 1987-11-19 | 1988-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-05-20 | 1991-11-19 | 1992-05-20 | $7700.00 | Window Closed / Lapsed |