Patent US3215306A successfully refreshed from Google Patents.
US3215306A
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Assignee: Continental Can Co Inc
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Filing: 1964-02-17
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Granted: 1965-11-02
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Expires: 1984-02-17
Abstract
No abstract record available.
Inventors
- 👤 Simpson Justin
- 👤 John S Bozek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:02
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A SHEET METAL PULL TAB PARTICULARLY ADAPTED FOR ATTACHMENT TO A TEARABLE CONTAINER PORTION, SAID PULL TAP BEING OF A SHALLOW WINGED CHANNEL CROSS SECTION AND INCLUDING A WEB HAVING SIDES AND ENDS, A NARROW UPSTANDING FLANGE EXTENDING ALONG THE SIDES AND ONE END OF SAID WEB AND A WING FLANGE EXTENDING OUTWARDLY FROM SAID UPSTANDING FLANGE ALONG THE SIDES AND THE ONE END OF SAID WEB, AND AN INTURNED HEM ALONG THE PERIPHERY OF SAID WING FLANGE IS UNDERLYING RELATION TO SAID WING FLANGE THEREBY FORMING A RIGID STRUCTURAL UNIT.
Claim 2
Dependent Claim
91 words
A SHEET METAL PULL TAB PARTICULARLY ADAPTED FOR ATTACHMENT TO A TEARABLE CONTAINER PORTION, SAID PULL TAP BEING OF A SHALLOW WINGED CHANNEL CROSS SECTION AND INCLUDING A WEB HAVING SIDES AND ENDS, A NARROW UPSTANDING FLANGE EXTENDING ALONG THE SIDES AND ONE END OF SAID WEB AND A WING FLANGE EXTENDING OUTWARDLY FROM SAID UPSTANDING FLANGE ALONG THE SIDES AND THE ONE END OF SAID WEB, AND AN INTURNED HEM ALONG THE PERIPHERY OF SAID WING FLANGE IS UNDERLYING RELATION TO SAID WING FLANGE THEREBY FORMING A RIGID STRUCTURAL UNIT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |