US2672333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Jet-propulsion burner
Assignee: M E C B Inc
•
Filing: 1950-11-13
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Granted: 1954-03-16
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Expires: 1970-11-13
Abstract
No abstract record available.
Inventors
- 👤 Charles F Rocheville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:59
CPC Classifications
F; F23; F23C; F23C99/00; F23R; F23R3/00; F23C2700/00; F23C2700/02; F23C2700/026
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US391706A
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US473858A
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US1312108A
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US2274572A
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US1637064A
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FR826696A
Cited
US2563745A
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US2408099A
Cited
US2418488A
Cited
US2575879A
Cited
US2580962A
Cited
FR920387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |