US3052137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential mechanism
Assignee: Eaton Corp
•
Filing: 1959-02-27
•
Granted: 1962-09-04
•
Expires: 1979-02-27
Abstract
No abstract record available.
Inventors
- 👤 Robert C Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:55
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/22; F16H48/06; F16H48/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1017762A
Cited
US1481889A
Cited
US1683806A
Cited
FR873989A
Cited
US2762240A
Cited
US2821096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |