Patent US3121364A successfully refreshed from Google Patents.
US3121364A
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Hydraulically powered shear machine
Assignee: Individual
•
Filing: 1958-12-22
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Granted: 1964-02-18
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Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Jr James B Castle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:07
CPC Classifications
B; B23; B23D; B23D35/00; B23D15/00; B23D15/12; B23D15/14; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8696; Y10T83/8699; Y10T83/87
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A STROKE DETERMINING ASSEMBLY FOR A SHEAR MACHINE OR THE LIKE INVOLVING A FRAME AND A RAM RECIPROCALLY MOUNTED WITH RESPECT TO SAID FRAME, SAID ASSEMBLY COMPRISING LIMIT SWITCH MEANS, AND STOP MEANS HAVING A CAM EDGE, ONE OF SAID MEANS BEING SUPPORTED BY SAID FRAME AND THE
Claim 2
Dependent Claim
48 words
A STROKE DETERMINING ASSEMBLY FOR A SHEAR MACHINE OR THE LIKE INVOLVING A FRAME AND A RAM RECIPROCALLY MOUNTED WITH RESPECT TO SAID FRAME, SAID ASSEMBLY COMPRISING LIMIT SWITCH MEANS, AND STOP MEANS HAVING A CAM EDGE, ONE OF SAID MEANS BEING SUPPORTED BY SAID FRAME AND THE
References Cited (Backward Citations)
US2278713A
Cited
US2387532A
Cited
US2371411A
Cited
US2420548A
Cited
US2558071A
Cited
US2667079A
Cited
US2693752A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |