US2501956A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential locking device
Assignee: Individual
•
Filing: 1947-11-25
•
Granted: 1950-03-28
•
Expires: 1967-11-25
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Misener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:55
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/295; F16H48/06; F16H48/08; F16H48/24; F16H48/30; F16H2048/085; F16H2048/201; F16H2048/305; F16H48/38; F16H2048/382; F16H2048/385; F16H48/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1325938A
Cited
US1110437A
Cited
US1338720A
Cited
US1439239A
Cited
US1484466A
Cited
US1746870A
Cited
US2132692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |