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Patent US3197059A successfully refreshed from Google Patents.
US3197059A
Expired / Lapsed
US
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Metal can end
Assignee: United States Steel Corp
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Filing: 1963-06-19
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Granted: 1965-07-27
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Expires: 1983-06-19
Abstract
No abstract record available.
Inventors
- 👤 Howard A Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:36
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/50; B65D17/506; B65D17/501; B65D17/503; B65D2517/00; B65D2517/0001; B65D2517/001; B65D2517/0011; B65D2517/0026; B65D2517/0029; B65D2517/0058; B65D2517/0059; B65D2517/0061; B65D2517/0062; B65D2517/0091; B65D2517/0094; B65D2517/50; B65D2517/5002; B65D2517/5024; B65D2517/5027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
A CAN END COMPRISING A DISHED SHEET-METAL PIECE WHICH HAS AN OUTWARDLY DIRECTED CONVEX FACE AND AN INWARDLY DIRECTED CONCAVE FACE, SAID PIECE HAVING A POURING OPENING NEAR ONE EDGE AND A VENT OPENING NEARER THE MIDDLE, A SHEET-METAL CLOSURE LYING AGAINST A PORTION OF THE CONCAVE FACE OF SAID PIECE AND COVERING SAID OPENINGS, AND FLEXIBLE ADHESIVE MEANS HOLDING SAID CLOSURE IN PLACE BUT PERMITTING IT TO BE DISPLACED INWARDLY TO UNCOVER BOTH SAID OPENINGS IN ONE MOTION BY MANUAL PRESSURE APPLIED THROUGH SAID POURING OPENING, SAID PIECE BEING ACTUABLE BY MANUAL PRESSURE TO REVERSE THE DISH THEREOF FOR MOVING SAID CLOSURE FREE OF SAID OPENINGS TO ALLOW THE CONTENTS OF THE CAN TO BE REMOVED THROUGH SAID POURING OPENING.
Claim 2
Dependent Claim
121 words
A CAN END COMPRISING A DISHED SHEET-METAL PIECE WHICH HAS AN OUTWARDLY DIRECTED CONVEX FACE AND AN INWARDLY DIRECTED CONCAVE FACE, SAID PIECE HAVING A POURING OPENING NEAR ONE EDGE AND A VENT OPENING NEARER THE MIDDLE, A SHEET-METAL CLOSURE LYING AGAINST A PORTION OF THE CONCAVE FACE OF SAID PIECE AND COVERING SAID OPENINGS, AND FLEXIBLE ADHESIVE MEANS HOLDING SAID CLOSURE IN PLACE BUT PERMITTING IT TO BE DISPLACED INWARDLY TO UNCOVER BOTH SAID OPENINGS IN ONE MOTION BY MANUAL PRESSURE APPLIED THROUGH SAID POURING OPENING, SAID PIECE BEING ACTUABLE BY MANUAL PRESSURE TO REVERSE THE DISH THEREOF FOR MOVING SAID CLOSURE FREE OF SAID OPENINGS TO ALLOW THE CONTENTS OF THE CAN TO BE REMOVED THROUGH SAID POURING OPENING.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |