US3073480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light weight metal double seam having easy opening features
Assignee: Continental Can Co Inc
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Filing: 1960-11-02
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Granted: 1963-01-15
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Expires: 1980-11-02
Abstract
No abstract record available.
Inventors
- 👤 Henchert John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:16
CPC Classifications
B; B65; B65D; B65D17/00; B65D17/28; B65D17/401
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
IN A CAN FORMED OF THIN METAL HAVING A MAXIMUM THICKNESS OF 0.008 INCH, A DOUBLE SEAM BETWEEN A CAN END AND A CAN BODY, SAID DOUBLE SEAM INCLUDING AN INNER CHUCK WALL ON THE CAN END, A NEXT OUTER BODY WALL OF THE CAN BODY, SAID CAN END HAVING AN OUTWARDLY DIRECTED UPPER SEAMING PANEL CONNECTED TO SAID CHUCK WALL BY A SEAMING PANEL RADIUS, AN OUTER SEAMING WALL SPACED FROM SAID BODY WALL AND CONNECTED TO SAID SEAMING PANEL BY A SEAMING WALL RADIUS, SAID SEAMING WALL TERMINATING AT THE LOWER END THEREOF IN AN OUTWARDLY DIRECTED LOWER CURL, SAID CURL TERMINATING AT ITS LOWER END IN A GENERALLY FLAT RADIUS, A TERMINAL END HOOK OF SAID CAN END INTEGRALLY CONNECTED TO SAID END HOOK RADIUS AND DISPOSED NEXT OUTWARDLY OF SAID BODY WALL, A BODY HOOK RADIUS CONNECTED TO SAID BODY WALL AND EXTENDING AROUND THE END OF SAID END HOOK BELOW SAID SEAMING PANEL, A BODY HOOK DEPENDING FROM SAID BODY HOOK RADIUS AND BEING DISPOSED INTERMEDIATE SAID SEAMING WALL AND SAID END HOOK, AND A TERMINAL FLANGE ON SAID BODY HOOK, SAID TERMINAL FLANGE EXTENDING DOWNWARDLY AND OUTWARDLY AND PROJECTING GENERALLY INTO SAID CURL AND REINFORCING SAID LOWER PANEL AGAINST UPWARD DEFLECTION.
Claim 2
Dependent Claim
207 words
IN A CAN FORMED OF THIN METAL HAVING A MAXIMUM THICKNESS OF 0.008 INCH, A DOUBLE SEAM BETWEEN A CAN END AND A CAN BODY, SAID DOUBLE SEAM INCLUDING AN INNER CHUCK WALL ON THE CAN END, A NEXT OUTER BODY WALL OF THE CAN BODY, SAID CAN END HAVING AN OUTWARDLY DIRECTED UPPER SEAMING PANEL CONNECTED TO SAID CHUCK WALL BY A SEAMING PANEL RADIUS, AN OUTER SEAMING WALL SPACED FROM SAID BODY WALL AND CONNECTED TO SAID SEAMING PANEL BY A SEAMING WALL RADIUS, SAID SEAMING WALL TERMINATING AT THE LOWER END THEREOF IN AN OUTWARDLY DIRECTED LOWER CURL, SAID CURL TERMINATING AT ITS LOWER END IN A GENERALLY FLAT RADIUS, A TERMINAL END HOOK OF SAID CAN END INTEGRALLY CONNECTED TO SAID END HOOK RADIUS AND DISPOSED NEXT OUTWARDLY OF SAID BODY WALL, A BODY HOOK RADIUS CONNECTED TO SAID BODY WALL AND EXTENDING AROUND THE END OF SAID END HOOK BELOW SAID SEAMING PANEL, A BODY HOOK DEPENDING FROM SAID BODY HOOK RADIUS AND BEING DISPOSED INTERMEDIATE SAID SEAMING WALL AND SAID END HOOK, AND A TERMINAL FLANGE ON SAID BODY HOOK, SAID TERMINAL FLANGE EXTENDING DOWNWARDLY AND OUTWARDLY AND PROJECTING GENERALLY INTO SAID CURL AND REINFORCING SAID LOWER PANEL AGAINST UPWARD DEFLECTION.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |