US2924314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Intermittent drive apparatus
Assignee: Individual
•
Filing: 1956-07-17
•
Granted: 1960-02-09
•
Expires: 1976-07-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Francis H Shepard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:48
CPC Classifications
F; F16; F16D; F16D67/00; F16D67/02; F16D67/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US908097A
Cited
US964343A
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US1155124A
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GB191415690A
Cited
US1749060A
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US2176897A
Cited
US2272570A
Cited
US2364140A
Cited
US2411122A
Cited
US2785781A
Cited
US2728878A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-08 | 1963-08-10 | 1964-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-08 | 1967-08-10 | 1968-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-08 | 1971-08-10 | 1972-02-09 | $7700.00 | Window Closed / Lapsed |