Patent US2827892A successfully refreshed from Google Patents.
US2827892A
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US
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Combustion chamber
Assignee: Motors Liquidation Co
•
Filing: 1956-12-19
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Granted: 1958-03-25
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Expires: 1976-12-19
Abstract
No abstract record available.
Inventors
- 👤 Archie D Mcduffie
- 👤 Floyd A Wyczalek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:52
CPC Classifications
F; F02; F02B; F02B23/00; F02B23/08; F02F; F02F1/00; F02F1/24; F02F1/242; F02B2023/085; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1728749A
Cited
US2086427A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |