US2771738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Morpholines as hypergolic fuels
Assignee: Phillips Petroleum Co
•
Filing: 1951-10-01
•
Granted: 1956-11-27
•
Expires: 1971-10-01
Abstract
No abstract record available.
Inventors
- 👤 Cleveland R Scott
- 👤 Arnold L Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:55
CPC Classifications
C; C06; C06B; C06B43/00; Y; Y10; Y10S; Y10S149/00; Y10S149/12; Y10S149/122
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN THE METHOD FOR DEVELOPING THRUST BY THE COMBUSTION OF BIPROPELLANT COMPONENTS IN A COMBUSTION CHAMBER OF A REACTION MOTOR, THE STEPS COMPRISING SEPARATELY AND SIMULTANEOUSLY INJECTING A STREAM OF A LIQUID OXIDANT COMPONENT AND A FUEL COMPONENT INTO SAID COMBUSTION CHAMBER IN SUCH PROPORTION AS TO PRODUCE SPONTANEOUS IGNITION, SAID FUEL COMPONENT COMPRISING A MORPHOLINE CHARACTERIZED BY THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
61 words
IN THE METHOD FOR DEVELOPING THRUST BY THE COMBUSTION OF BIPROPELLANT COMPONENTS IN A COMBUSTION CHAMBER OF A REACTION MOTOR, THE STEPS COMPRISING SEPARATELY AND SIMULTANEOUSLY INJECTING A STREAM OF A LIQUID OXIDANT COMPONENT AND A FUEL COMPONENT INTO SAID COMBUSTION CHAMBER IN SUCH PROPORTION AS TO PRODUCE SPONTANEOUS IGNITION, SAID FUEL COMPONENT COMPRISING A MORPHOLINE CHARACTERIZED BY THE STRUCTURAL FORMULA
References Cited (Backward Citations)
US2062201A
Cited
US2239841A
Cited
US2573471A
Cited
US2512197A
Cited
US2585626A
Cited
US2638441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-11-27 | 1960-05-28 | 1960-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-11-27 | 1964-05-28 | 1964-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-11-27 | 1968-05-28 | 1968-11-27 | $7700.00 | Window Closed / Lapsed |