US2938601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine oil pan
Assignee: Motors Liquidation Co
•
Filing: 1958-03-20
•
Granted: 1960-05-31
•
Expires: 1978-03-20
Abstract
No abstract record available.
Inventors
- 👤 James O Brafford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:07
CPC Classifications
F; F01; F01M; F01M11/00; F01M11/0004; F01M11/06; F01M11/062; F01M11/065; F01M11/064; F01M2011/0037; F01M2011/0041
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1000188A
Cited
US1037383A
Cited
US1667728A
Cited
US1789579A
Cited
US2093372A
Cited
FR860044A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |