Patent US3068641A successfully refreshed from Google Patents.
US3068641A
Expired / Lapsed
US
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Hybrid method of rocket propulsion
Assignee: Individual
•
Filing: 1955-04-18
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Granted: 1962-12-18
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Expires: 1975-04-18
Abstract
No abstract record available.
Inventors
- 👤 Homer M Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:52
CPC Classifications
C; C06; C06B; C06B31/00; C06B31/28; C06B31/30; C06D; C06D5/00; C06D5/10; F; F02; F02K; F02K9/00; F02K9/42; F02K9/60; F02K9/62
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
34 words
IN A METHOD FOR DEVELOPING THRUST WHICH COMPRISES EJECTING FROM A COMBUSTION CHAMBER THE GASEOUS PRODUCTS PRODUCED BY COMBUSTION OF A SOLID ROCKET PROPELLANET COMPOSITION WHEREIN THE RATIO OF FUEL TO OXIDIZER IS GREATER
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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) | 1965-12-17 | 1966-06-18 | 1966-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-17 | 1970-06-18 | 1970-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-17 | 1974-06-18 | 1974-12-18 | $7700.00 | Window Closed / Lapsed |