US3195756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pull crown cap
Assignee: Crown Cork and Seal Co Inc
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Filing: 1964-11-18
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Granted: 1965-07-20
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Expires: 1984-11-18
Abstract
No abstract record available.
Inventors
- 👤 John J Luviano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:28
CPC Classifications
B; B65; B65D; B65D41/00; B65D41/32; B65D41/40; B65D41/42; B21; B21D; B21D51/00; B21D51/16; B21D51/38; B21D51/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
A PULL CAP CROWN CLOSURE ADAPTED TO BE APPLIED TO SEALINGLY ENGAGE THE MOUTH OF A CONTAINER COMPRISING IN COMBINATION: A METAL CROWN SHELL FORMED FROM RELATIVELY LIGHT GUAGE METAL WHICH CAN BE EASILY TORN, SAID METAL SHELL COMPRISING A CIRCULAR TOP PORTION, A SUBSTANTIALLY CYLINDRICAL SKIRT DEPENDING FROM SAID CIRCULAR TOP PORTION, AND AN INTEGRAL ANNULAR LOCKING FLANGE EXTENDING RADIALLY OUTWARD OF SAID CYLINDRICAL SKIRT; THE CIRCULAR TOP PORTION OF SAID METAL CROWN BEING PROVIDED WITH AN ARCUATE INCISION PROVIDING A PULL TAB; WEAKENED SCORE PORTIONS LOCATED AT THE ENDS OF SAID INCISION AND EXTENDING THEREFROM, SAID SCORE PORTIONS HAVING A SUBSTANTIALLY CIRCULAR SHAPE LOCATED ON THE OUTER AREA OF THE TOP OF SAID CROWN SHELL AND IMMEDIATELY NARROWING INTO A LINE SCORE PORTION EXTENDING TO AND OVER THE CORNER RADIUS AND DOWN THE CYLINDRICAL SKIRT; A RIGID INSERT DISC FITTED INTO THE SIDE OF SAID METAL CROWN SHELL; A RESILIENT SEALING LINER SECURED TO THE INNER SURFACE OF SAID RIGID INSERT DISC, SAID LINER BEING ADAPTED TO SEALINGLY ENGAGE THE CO
Claim 2
Dependent Claim
173 words
A PULL CAP CROWN CLOSURE ADAPTED TO BE APPLIED TO SEALINGLY ENGAGE THE MOUTH OF A CONTAINER COMPRISING IN COMBINATION: A METAL CROWN SHELL FORMED FROM RELATIVELY LIGHT GUAGE METAL WHICH CAN BE EASILY TORN, SAID METAL SHELL COMPRISING A CIRCULAR TOP PORTION, A SUBSTANTIALLY CYLINDRICAL SKIRT DEPENDING FROM SAID CIRCULAR TOP PORTION, AND AN INTEGRAL ANNULAR LOCKING FLANGE EXTENDING RADIALLY OUTWARD OF SAID CYLINDRICAL SKIRT; THE CIRCULAR TOP PORTION OF SAID METAL CROWN BEING PROVIDED WITH AN ARCUATE INCISION PROVIDING A PULL TAB; WEAKENED SCORE PORTIONS LOCATED AT THE ENDS OF SAID INCISION AND EXTENDING THEREFROM, SAID SCORE PORTIONS HAVING A SUBSTANTIALLY CIRCULAR SHAPE LOCATED ON THE OUTER AREA OF THE TOP OF SAID CROWN SHELL AND IMMEDIATELY NARROWING INTO A LINE SCORE PORTION EXTENDING TO AND OVER THE CORNER RADIUS AND DOWN THE CYLINDRICAL SKIRT; A RIGID INSERT DISC FITTED INTO THE SIDE OF SAID METAL CROWN SHELL; A RESILIENT SEALING LINER SECURED TO THE INNER SURFACE OF SAID RIGID INSERT DISC, SAID LINER BEING ADAPTED TO SEALINGLY ENGAGE THE CO
References Cited (Backward Citations)
US2680531A
Cited
US2787394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |