US3000183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spiral annular combustion chamber
Assignee: Motors Liquidation Co
•
Filing: 1957-01-30
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Granted: 1961-09-19
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Expires: 1977-01-30
Abstract
No abstract record available.
Inventors
- 👤 Russell S Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:05
CPC Classifications
F; F02; F02C; F02C7/00; F02C7/32; F23; F23R; F23R3/00; F23R3/02; F23R3/04; F23R3/10; F23R3/12; F23R3/14; F05; F05D; F05D2250/00; F05D2250/10; F05D2250/15; F05D2250/20; F05D2250/25; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2326072A
Cited
US2577918A
Cited
US2687010A
Cited
US2560223A
Cited
US2797549A
Cited
US2768497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |