US3069874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaft coupling
Assignee: Individual
•
Filing: 1959-02-17
•
Granted: 1962-12-25
•
Expires: 1979-02-17
Abstract
No abstract record available.
Inventors
- 👤 Salvatore F Leto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:09
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/02; F16D3/06; F16D3/065; F16D3/16; F16D3/20; F16D3/22; F16D3/223; F16D3/226; F16D3/227; F16D2003/22303; F16D2003/2232; F16D2300/00; F16D2300/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1524161A
Cited
US1915654A
Cited
DE885946C
Cited
US2562729A
Cited
GB626779A
Cited
US2772094A
Cited
US2787144A
Cited
US2885872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |