US2851019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combustion chamber for internal combustion engine
Assignee: Motors Liquidation Co
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Filing: 1956-06-29
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Granted: 1958-09-09
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Expires: 1976-06-29
Abstract
No abstract record available.
Inventors
- 👤 James D Fleming
- 👤 Henry F Reinhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:19
CPC Classifications
F; F02; F02B; F02B23/00; F02B23/02; F02B23/06; F02B23/0618; F02B23/0627; F02B23/0696; F02B2275/00; F02B2275/14; F02B23/0621; F02B23/0624; F02B23/0645; F02B23/0648; F02B3/00; F02B3/06; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |