US3045763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorbing positive drive means for marine propellers
Assignee: Individual
•
Filing: 1959-10-26
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Granted: 1962-07-24
•
Expires: 1979-10-26
Abstract
No abstract record available.
Inventors
- 👤 Perrott William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:27
CPC Classifications
B; B63; B63H; B63H1/00; B63H1/02; B63H1/12; B63H1/14; B63H1/20; B63H1/15
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US309679A
Cited
US2111245A
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FR798315A
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US2235605A
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US2164485A
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US2333166A
Cited
US2469116A
Cited
DE929544C
Cited
US2739462A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |