US3203172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of propulsion utilizing hybrid reaction engine with porous fuel grain
Assignee: Rocket Research Co
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Filing: 1962-06-27
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Granted: 1965-08-31
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Expires: 1982-06-27
Abstract
No abstract record available.
Inventors
- 👤 George S Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:13
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
THE METHOD OF GENERATING PROPULSION BY COMBUSTION OF A POROUS FUEL GRAIN AND A FLUID OXIDIZER IN THE REACTION CHAMBER OF A PROPULSION REACTION ENGINE, SAID METHOD COMPRISING: DELIVERING THE OXIDIZER INTO THE REACTION CHAMBER THROUGH THE PORES OF THE POROUS FUEL GRAIN; AND COM-
Claim 2
Independent Claim
45 words
THE METHOD OF GENERATING PROPULSION BY COMBUSTION OF A POROUS FUEL GRAIN AND A FLUID OXIDIZER IN THE REACTION CHAMBER OF A PROPULSION REACTION ENGINE, SAID METHOD COMPRISING: DELIVERING THE OXIDIZER INTO THE REACTION CHAMBER THROUGH THE PORES OF THE POROUS FUEL GRAIN; AND COM-
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |