US3052960A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frusto conical combustion chamber and method of making same
Assignee: Motors Liquidation Co
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Filing: 1958-08-04
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Granted: 1962-09-11
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Expires: 1978-08-04
Abstract
No abstract record available.
Inventors
- 👤 Burrell Gilbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:17
CPC Classifications
B; B23; B23C; B23C3/00; F; F02; F02B; F02B23/00; B23C2215/00; B23C2215/24; B23C2215/242; F02F; F02F1/00; F02F1/24; F02F2001/244; F02F2001/245; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/4927
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) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |