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Patent US3450433A successfully refreshed from Google Patents.
US3450433A
Expired / Lapsed
US
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Cam actuated clutch
Assignee: CHARLES U BALLARD
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Filing: 1967-07-27
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Granted: 1969-06-17
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Expires: 1987-07-27
Abstract
No abstract record available.
Inventors
- 👤 Charles U Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:01
CPC Classifications
B; B64; B64D; B64D11/00; B64D11/06; B64D11/0639; B64D11/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2581197A
Cited
US2672917A
Cited
US2653648A
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US2884047A
Cited
US3025108A
Cited
US3024067A
Cited
US3150898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |