US3021669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sectional formed combustion power chamber for varying driving impulses for jet motors
Assignee: Individual
•
Filing: 1957-03-04
•
Granted: 1962-02-20
•
Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Nye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:47
CPC Classifications
F; F02; F02K; F02K7/00; F02C; F02C3/00; F02C3/04; F02C3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US891715A
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US1827246A
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US2280835A
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US2632295A
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US2694291A
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US2570847A
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US2651910A
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US2710523A
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US2770096A
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US2814431A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |