US2963007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine with reversible heads, couplings, and gaskets
Assignee: Motors Liquidation Co
•
Filing: 1958-01-27
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Granted: 1960-12-06
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Expires: 1978-01-27
Abstract
No abstract record available.
Inventors
- 👤 Clayton B Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:10
CPC Classifications
F; F02; F02B; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02F; F02F7/00; F02F7/0043; F02F7/0046; F01; F01B; F01B1/00; F01B1/12; F02B2075/1804; F02B2075/1832; F02B2275/00; F02B2275/34; F02B69/00; Y; Y10; Y10S; Y10S123/00; Y10S123/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1353213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |