Patent US1775623A successfully refreshed from Google Patents.
US1775623A
Expired / Lapsed
US
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Lubricating rear-axle differential
Assignee: Motors Liquidation Co
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Filing: 1928-09-01
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Granted: 1930-09-09
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Expires: 1948-09-01
Abstract
No abstract record available.
Inventors
- 👤 Morgan Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:54
CPC Classifications
F; F16; F16N; F16N7/00; F16N7/36; F16H; F16H57/00; F16H57/04; F16H57/048; F16H57/0482; F16H57/0483; F16H48/00; F16H48/06; F16H48/08; F16H57/042; F16H57/0421; F16H57/0423; F16H57/0457; F16N2210/00; F16N2210/12
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) | 1933-09-08 | 1934-03-10 | 1934-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-08 | 1938-03-10 | 1938-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-08 | 1942-03-10 | 1942-09-09 | $7700.00 | Window Closed / Lapsed |