US3044453A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for fuel combustion
Assignee: Individual
•
Filing: 1961-11-29
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Granted: 1962-07-17
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Expires: 1981-11-29
Abstract
No abstract record available.
Inventors
- 👤 Edward A Hoffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:58
CPC Classifications
F; F02; F02M; F02M17/00; F02M17/18; F02M17/20; F02M17/22; F02B; F02B47/00; F02B47/02; F02M25/00; F02M25/022; F02M25/032; F02M25/035; 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) | 1965-07-16 | 1966-01-15 | 1966-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-16 | 1970-01-15 | 1970-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-16 | 1974-01-15 | 1974-07-17 | $7700.00 | Window Closed / Lapsed |