Patent US2679136A successfully refreshed from Google Patents.
US2679136A
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US
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Combustion chamber with crossover tubes
Assignee: Motors Liquidation Co
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Filing: 1950-10-21
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Granted: 1954-05-25
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Expires: 1970-10-21
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Gaubatz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:19
CPC Classifications
F; F23; F23R; F23R3/00; F23R3/42; F23R3/46; F23R3/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2480203A
Cited
GB191420193A
Cited
US2437385A
Cited
GB575922A
Cited
US2525207A
Cited
US2540642A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |