Patent US3302441A successfully refreshed from Google Patents.
US3302441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die for deep drawn tapered container
Assignee: Continental Can Co Inc
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Filing: 1963-07-09
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Granted: 1967-02-07
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Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 John S Bozek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:58
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/20; B21D22/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
IN A DIE STRUCTURE FOR FORMING A DEEP DRAWN TAPERED CONTAINER, A PUNCH INCLUDING A TAPERED FEMALE DIE, A MALE DIE, SAID MALE DIE INCLUDING A PLURALITY OF TELESCOPING ELEMENTS AND A STATIONARY ANVIL, SAID TELESCOPING ELEMENTS HAVING WORK ENGAGING FACES THEREON TAPERED TO CORRESPOND TO SAID FEMALE DIE, AND AN OUTER DRAW RING UNDERLYING SAID PUNCH AND CIRCUMSCRIBING SAID MALE DIE, SAID OUTER DRAW RING AND SAID PUNCH HAVING COOPERATING FACES THEREON FOR GRIPPING A BLANK THEREBETWEEN, SAID PUNCH AND SAID OUTER DRAW RING BEING MOUNTED FOR MOVEMENT RELATIVE TO SAID TELESCOPING ELEMENTS FOR SUCCESSIVELY DRAWING A BLANK THEREOVER, SAID TELESCOPING ELEMENTS INCLUDING AN INNER DRAW RING CIRCUMSCRIBING SAID STATIONARY ANVIL AND MOVABLE RELATIVE THERETO, A CENTER DRAW RING CIRCUMSCRIBING SAID INNER DRAW RING AND BEING DISPOSED FOR INITIAL COOPERATION WITH SAID FEMALE DIE, A BASE MEMBER INTEGRAL WITH SAID ANVIL, SAID BASE MEMBER HAVING AN APER-
Claim 2
Dependent Claim
148 words
IN A DIE STRUCTURE FOR FORMING A DEEP DRAWN TAPERED CONTAINER, A PUNCH INCLUDING A TAPERED FEMALE DIE, A MALE DIE, SAID MALE DIE INCLUDING A PLURALITY OF TELESCOPING ELEMENTS AND A STATIONARY ANVIL, SAID TELESCOPING ELEMENTS HAVING WORK ENGAGING FACES THEREON TAPERED TO CORRESPOND TO SAID FEMALE DIE, AND AN OUTER DRAW RING UNDERLYING SAID PUNCH AND CIRCUMSCRIBING SAID MALE DIE, SAID OUTER DRAW RING AND SAID PUNCH HAVING COOPERATING FACES THEREON FOR GRIPPING A BLANK THEREBETWEEN, SAID PUNCH AND SAID OUTER DRAW RING BEING MOUNTED FOR MOVEMENT RELATIVE TO SAID TELESCOPING ELEMENTS FOR SUCCESSIVELY DRAWING A BLANK THEREOVER, SAID TELESCOPING ELEMENTS INCLUDING AN INNER DRAW RING CIRCUMSCRIBING SAID STATIONARY ANVIL AND MOVABLE RELATIVE THERETO, A CENTER DRAW RING CIRCUMSCRIBING SAID INNER DRAW RING AND BEING DISPOSED FOR INITIAL COOPERATION WITH SAID FEMALE DIE, A BASE MEMBER INTEGRAL WITH SAID ANVIL, SAID BASE MEMBER HAVING AN APER-
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |