US3400610A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking differential gear
Assignee: Ford Motor Co
•
Filing: 1966-03-31
•
Granted: 1968-09-10
•
Expires: 1986-03-31
Abstract
No abstract record available.
Inventors
- 👤 Katherine M Taylor
- 👤 Charles C Bookout
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:40
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/22; F16H48/30; F16H48/34; F16H2048/343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3138970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |