US2908351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Differential lubrication system
Assignee: Motors Liquidation Co
•
Filing: 1955-09-09
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Granted: 1959-10-13
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Expires: 1975-09-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank R L Daley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:21
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/04; F16H57/0434; F16H57/0456; F16H57/048; F16H57/0482; F16H57/0483; F16H48/00; F16H48/06; F16H48/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1176936A
Cited
US1541499A
Cited
US1672360A
Cited
US1921769A
Cited
DE647332C
Cited
FR894213A
Cited
US2651179A
Cited
US2840186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |