US2724378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety cover means for internal combustion engines
Assignee: Motors Liquidation Co
•
Filing: 1951-09-04
•
Granted: 1955-11-22
•
Expires: 1971-09-04
Abstract
No abstract record available.
Inventors
- 👤 Robert H Wellman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:55
CPC Classifications
F; F02; F02F; F02F1/00; F02F1/24; F02F7/00; F02F7/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US815236A
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US884853A
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US1483855A
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US1737148A
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US1729085A
Cited
US1671547A
Cited
US1741111A
Cited
US2169123A
Cited
US2291374A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-21 | 1959-05-23 | 1959-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-21 | 1963-05-23 | 1963-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-21 | 1967-05-23 | 1967-11-22 | $7700.00 | Window Closed / Lapsed |