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Patent US2573471A successfully refreshed from Google Patents.
US2573471A
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Reaction motor operable by liquid propellants and method of operating it
Assignee: Aerojet Rocketdyne Inc
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Filing: 1943-05-08
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Granted: 1951-10-30
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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
2026-11-01 11:33
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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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 |