US2781633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mounting solid propellant grains in a rocket motor
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1949-04-15
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Granted: 1957-02-19
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Expires: 1969-04-15
Abstract
No abstract record available.
Inventors
- 👤 William L Rogers
- 👤 Robert L Noland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:01
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/08; F02K9/32; F02K9/36
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2406560A
Cited
US2405415A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-19 | 1960-08-20 | 1961-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-19 | 1964-08-20 | 1965-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-19 | 1968-08-20 | 1969-02-19 | $7700.00 | Window Closed / Lapsed |