US2573471A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction motor operable by liquid propellants and method of operating it
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1943-05-08
•
Granted: 1951-10-30
•
Expires: 1963-05-08
Abstract
No abstract record available.
Inventors
- 👤 Frank J Malina
- 👤 John W Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:38
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/425; Y; Y10; Y10S; Y10S149/00; Y10S149/12; Y10S149/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US914624A
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GB191517696A
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US1405482A
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US1532930A
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US1506323A
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CH157231A
Cited
GB405645A
Cited
GB476227A
Cited
FR863928A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |