Patent US2993153A successfully refreshed from Google Patents.
US3136669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Particulate polyolefin-liquid oxidizing agent propellant and rocket containing the same
Assignee: Spencer Chemical Co
•
Filing: 1958-10-17
•
Granted: 1964-06-09
•
Expires: 1978-10-17
Abstract
No abstract record available.
Inventors
- 👤 Richard A Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:23
CPC Classifications
F; F02; F02K; F02K9/00; F02K9/42; F02K9/425; C; C06; C06B; C06B47/00; C06B47/02; C06B47/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A SELF-SUFFICIENT PROPELLANT CONSISTING ESSENTIALLY OF MIXTURE OF FINELY-DIVIDED POLYETHYLENE AND FUMING NITRIC ACID, SAID MIXTURE HAVING A WEIGHT RATIO OF RED FUMING NITRIC ACID TO POLYETHYLENE OF APPROXIMATELY 3.3 TO 5.4 TO 1, THE FINELY-DIVIDED POLYETHYLENE HAVING A PARTICLE SIZE OF APPROXIMATELY 50 TO 150 MICRONS AND SAID MIXTURE AS A WHOLE TAKING THE PHYSICAL FORM OF A LIQUID IN WHICH SAID FINELY-DIVIDED POLYETHYLENE IS DISPERSED AND WHICH IS SUCCEPTIBLE OF BEING FED IN LIQUID FORM TO A THRUST CHAMBER.
Claim 2
Dependent Claim
81 words
A SELF-SUFFICIENT PROPELLANT CONSISTING ESSENTIALLY OF MIXTURE OF FINELY-DIVIDED POLYETHYLENE AND FUMING NITRIC ACID, SAID MIXTURE HAVING A WEIGHT RATIO OF RED FUMING NITRIC ACID TO POLYETHYLENE OF APPROXIMATELY 3.3 TO 5.4 TO 1, THE FINELY-DIVIDED POLYETHYLENE HAVING A PARTICLE SIZE OF APPROXIMATELY 50 TO 150 MICRONS AND SAID MIXTURE AS A WHOLE TAKING THE PHYSICAL FORM OF A LIQUID IN WHICH SAID FINELY-DIVIDED POLYETHYLENE IS DISPERSED AND WHICH IS SUCCEPTIBLE OF BEING FED IN LIQUID FORM TO A THRUST CHAMBER.
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) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |