US2887844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rocket motor
Assignee: Individual
•
Filing: 1952-05-17
•
Granted: 1959-05-26
•
Expires: 1972-05-17
Abstract
No abstract record available.
Inventors
- 👤 Fred P Coty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:36
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/44; F02K9/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2016921A
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US2142601A
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US2286909A
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US2555081A
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US2510571A
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US2544419A
Cited
US2576678A
Cited
US2602290A
Cited
US2536598A
Cited
US2563028A
Cited
US2551115A
Cited
US2695496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |