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Patent US2737170A successfully refreshed from Google Patents.
US2737170A
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High compression combustion chambers
Assignee: Motors Liquidation Co
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Filing: 1951-01-18
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Granted: 1956-03-06
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Expires: 1971-01-18
Abstract
No abstract record available.
Inventors
- 👤 Archie D Mcduffie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:27
CPC Classifications
F; F02; F02B; F02B19/00; F02B19/12; F02B23/00; F02B23/08; F02B2275/00; F02B2275/34; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1812197A
Cited
US1692339A
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US1757399A
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US1835302A
Cited
US2003311A
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US2041078A
Cited
US2089577A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |