US1743032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for differential mechanism
Assignee: Individual
•
Filing: 1926-11-30
•
Granted: 1930-01-07
•
Expires: 1946-11-30
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank Focher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:11
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/22; F16H48/295; F16H48/30; F16H2048/201; F16H2048/204; F16H2048/205; F16H2048/305; F16H48/38; F16H48/40; F16H2048/405
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) | 1933-01-06 | 1933-07-08 | 1934-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-01-06 | 1937-07-08 | 1938-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-01-06 | 1941-07-08 | 1942-01-07 | $7700.00 | Window Closed / Lapsed |