US2120734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling mechanism
Assignee: Individual
•
Filing: 1937-03-08
•
Granted: 1938-06-14
•
Expires: 1957-03-08
Abstract
No abstract record available.
Inventors
- 👤 Cotal Jean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:46
CPC Classifications
F; F16; F16D; F16D27/00; F16D27/02; F16D27/04; F16D27/06; F16D48/00; F16D48/06; F16D48/064; F16D48/068; F16D67/00; F16D67/02; F16D67/06; F16D2500/00; F16D2500/10; F16D2500/102; F16D2500/1021; F16D2500/1022; F16D2500/70; F16D2500/704; F16D2500/70402; F16D2500/70406; F16D2500/70418
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-06-13 | 1941-12-13 | 1942-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-06-13 | 1945-12-13 | 1946-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-06-13 | 1949-12-13 | 1950-06-14 | $7700.00 | Window Closed / Lapsed |