US3004409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible coupling
Assignee: TURBOMACHINES Ltd
•
Filing: 1959-07-17
•
Granted: 1961-10-17
•
Expires: 1979-07-17
Abstract
No abstract record available.
Inventors
- 👤 Grey John Constantine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:31
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/50; F16D3/78; F16D3/79
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1145602A
Cited
GB191500437A
Cited
GB172178A
Cited
US2181888A
Cited
US2431409A
Cited
US2430449A
Cited
GB628664A
Cited
GB733885A
Cited
US2858681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |