Patent US3310302A successfully refreshed from Google Patents.
US3310302A
Expired / Lapsed
US
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Clamping device
Assignee: Individual
•
Filing: 1964-05-21
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Granted: 1967-03-21
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Expires: 1984-05-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Catalfimo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:13
CPC Classifications
B; B23; B23Q; B23Q3/00; B23Q3/02; B23Q3/06; B23Q2703/00; B23Q2703/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A CLAMPING DEVICE COMPRISING AN INTEGRAL C-SHAPED MEMBER HAVING A CLOSED END PORTION AND UPPER AND LOWER PARALLEL LEGS, A PLURALITY OF CLAMPING SCREWS CARRIED BY SAID UPPER LEG FOR CLAMPING THE WORK AGAINST THE LOWER LEG, AND A LOCKING SCREW ADJACENT THE FREE ENDS OF THE LEGS PASSING THROUGH AND THREADLY ENGAGED WITH BOTH LEGS
Claim 2
Dependent Claim
56 words
A CLAMPING DEVICE COMPRISING AN INTEGRAL C-SHAPED MEMBER HAVING A CLOSED END PORTION AND UPPER AND LOWER PARALLEL LEGS, A PLURALITY OF CLAMPING SCREWS CARRIED BY SAID UPPER LEG FOR CLAMPING THE WORK AGAINST THE LOWER LEG, AND A LOCKING SCREW ADJACENT THE FREE ENDS OF THE LEGS PASSING THROUGH AND THREADLY ENGAGED WITH BOTH LEGS
References Cited (Backward Citations)
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Cited
US1412961A
Cited
US1864422A
Cited
US2177395A
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US2340692A
Cited
US2440820A
Cited
US2525204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |