Patent US3120769A successfully refreshed from Google Patents.
US3120769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressing device for cold forming or hot forming workpieces
Assignee: Individual
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Filing: 1961-07-31
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Granted: 1964-02-11
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Expires: 1981-07-31
Abstract
No abstract record available.
Inventors
- 👤 Hatebur Fritz Bernhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:59
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/76; B21J; B21J13/00; B21J13/02; B21J13/025; B21J5/00; B21J5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A DEVICE FOR FORMING WORK PIECES COMPRISING; A BACK RAM, A DIE SUPPORT MOVABLY SUPPORTED WITH RESPECT TO SAID BACK RAM, A SOLIDLY CLOSED FIRST DIE IN SAID DIE SUPPORT, A SECOND DIE IN SAID DIE SUPPORT ADJACENT SAID FIRST DIE, SAID SECOND DIE COMPRISING RADIALLY MOVABLE DIE JAWS, AND A PRESS RAM ALIGNED WITH SAID BACK RAM AND MOVABLE TOWARD AND AWAY FROM SAID BACK RAM FOR COOPERATION THEREWITH TO FORM WORK PIECES IN SAID DIES.
Claim 2
Independent Claim
77 words
A DEVICE FOR FORMING WORK PIECES COMPRISING; A BACK RAM, A DIE SUPPORT MOVABLY SUPPORTED WITH RESPECT TO SAID BACK RAM, A SOLIDLY CLOSED FIRST DIE IN SAID DIE SUPPORT, A SECOND DIE IN SAID DIE SUPPORT ADJACENT SAID FIRST DIE, SAID SECOND DIE COMPRISING RADIALLY MOVABLE DIE JAWS, AND A PRESS RAM ALIGNED WITH SAID BACK RAM AND MOVABLE TOWARD AND AWAY FROM SAID BACK RAM FOR COOPERATION THEREWITH TO FORM WORK PIECES IN SAID DIES.
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) | 1967-02-10 | 1967-08-12 | 1968-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-10 | 1971-08-12 | 1972-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-10 | 1975-08-12 | 1976-02-11 | $7700.00 | Window Closed / Lapsed |