Patent US3372569A successfully refreshed from Google Patents.
US3372569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die to form and trim a round tapered container in one operation
Assignee: Continental Can Co Inc
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Filing: 1963-08-01
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Granted: 1968-03-12
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Expires: 1983-08-01
Abstract
No abstract record available.
Inventors
- 👤 John S Bozek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:39
CPC Classifications
B; B21; B21D; B21D51/00; B21D51/16; B21D51/26; B21D51/2646
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A DIE FOR FORMING A CONTAINER, A CENTER DIE ELEMENT AND A PLURALITY OF DIE PARTS OPPOSED TO SAID CENTER DIE ELEMENT; SAID DIE PARTS INCLUDING A DRAW RING DISPOSED IN COOPERATIVE ALIGNMENT WITH SAID CENTER DIE ELEMENT FOR SHAPING SAID CONTAINER, AN OUTER DRAW RING DISPOSED ABOUT SAID FIRST MENTIONED DRAW RING AND SLIDABLE THEREON, AND A BLANKING PUNCH DISPOSED ABOUT AND SLIDABLE ON SAID OUTER DRAW RING; SAID CENTER DIE ELEMENT INCLUDING A STATIONARY TRIM PUNCH HAVING A CUTTING EDGE THEREON, SAID BLANKING PUNCH AND SAID CUTTING EDGE COOPERATING TO TRIM A CONTAINER.
Claim 2
Dependent Claim
96 words
IN A DIE FOR FORMING A CONTAINER, A CENTER DIE ELEMENT AND A PLURALITY OF DIE PARTS OPPOSED TO SAID CENTER DIE ELEMENT; SAID DIE PARTS INCLUDING A DRAW RING DISPOSED IN COOPERATIVE ALIGNMENT WITH SAID CENTER DIE ELEMENT FOR SHAPING SAID CONTAINER, AN OUTER DRAW RING DISPOSED ABOUT SAID FIRST MENTIONED DRAW RING AND SLIDABLE THEREON, AND A BLANKING PUNCH DISPOSED ABOUT AND SLIDABLE ON SAID OUTER DRAW RING; SAID CENTER DIE ELEMENT INCLUDING A STATIONARY TRIM PUNCH HAVING A CUTTING EDGE THEREON, SAID BLANKING PUNCH AND SAID CUTTING EDGE COOPERATING TO TRIM A CONTAINER.
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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |