US3281007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container closure devices
Assignee: United Shoe Machinery Corp
•
Filing: 1965-01-08
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Granted: 1966-10-25
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Expires: 1985-01-08
Abstract
No abstract record available.
Inventors
- 👤 Adolph S Dorosz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:56
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/42; B65D17/46; B65D17/462; B65D17/28; B65D17/401; B65D17/4011; B65D17/4012
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A CONTAINER CLOSURE DEVICE HAVING A TEAR-OPEN FEATURE COMPRISING IN COMBINATION A CLOSURE STRUCTURE, A TEAR INITIATING MEANS AND A TEAR TAB, THE CLOSURE STRUCTURE BEING A UNITARY CONSTRUCTION FORMED OF THERMOPLASTIC SYNTHETIC POLYMETRIC MATERIAL AND INCLUDING A PANEL PORTION, THE PANEL PORTION INCLUDING A TEAR-OPENABLE SECTION DEFINED IN OUTLINE AT LEAST AS TO TEAR INITIATING END THEREOF BY A LINE OF WEAKNESS FORMING AN ANGLE OF LESS THAN 180*, THE VERTEX OF THE ANGLE PROVIDING A TEAR INITIATING SITE, THE TEAR INITIATING MEANS INCLUDING AN ESSENTIALLY DIHEDRALLY SHAPED PORTION WHICH IS ATTACHABLY COMBINED THROUGH AN END THEREOF TO THE TEAR-OPENABLE SECTION WITH AT LEAST A FRONT PART OF THE SAID OUTLINED BY THE ANGLE FORMED BY THE LINE WEAKNESS, AND THE OTHER END OF THE ESSENTIALLY DIHEDRALLY SHAPED PORTION ATTACHABLY COMBINED TO THE TEAR TAB.
Claim 2
Dependent Claim
136 words
A CONTAINER CLOSURE DEVICE HAVING A TEAR-OPEN FEATURE COMPRISING IN COMBINATION A CLOSURE STRUCTURE, A TEAR INITIATING MEANS AND A TEAR TAB, THE CLOSURE STRUCTURE BEING A UNITARY CONSTRUCTION FORMED OF THERMOPLASTIC SYNTHETIC POLYMETRIC MATERIAL AND INCLUDING A PANEL PORTION, THE PANEL PORTION INCLUDING A TEAR-OPENABLE SECTION DEFINED IN OUTLINE AT LEAST AS TO TEAR INITIATING END THEREOF BY A LINE OF WEAKNESS FORMING AN ANGLE OF LESS THAN 180*, THE VERTEX OF THE ANGLE PROVIDING A TEAR INITIATING SITE, THE TEAR INITIATING MEANS INCLUDING AN ESSENTIALLY DIHEDRALLY SHAPED PORTION WHICH IS ATTACHABLY COMBINED THROUGH AN END THEREOF TO THE TEAR-OPENABLE SECTION WITH AT LEAST A FRONT PART OF THE SAID OUTLINED BY THE ANGLE FORMED BY THE LINE WEAKNESS, AND THE OTHER END OF THE ESSENTIALLY DIHEDRALLY SHAPED PORTION ATTACHABLY COMBINED TO THE TEAR TAB.
References Cited (Backward Citations)
US3159303A
Cited
US3163317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |