US3148229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making rubber based composite propellant
Assignee: Aerojet Rocketdyne Holdings Inc
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Filing: 1953-08-14
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Granted: 1964-09-08
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Expires: 1973-08-14
Abstract
No abstract record available.
Inventors
- 👤 Donald R Bordenkircher
- 👤 Charles B Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:03
CPC Classifications
C; C06; C06B; C06B21/00; C06B21/0008; C06B21/0025; C08; C08K; C08K3/00; C08K3/18; C08K3/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS OF MAKING RUBBER OXIDIZING SALT TYPE PROPELLANTS COMPRISING THE STEPS OF ADDING AN INORGANIC STRONG OXIDIZING SALT TO A RUBBER LATEX AND MIXING THE RESULTANT OXIDIZING SALT RUBBER LATEX MIXTURE IN A DOUGH-TYPE MIXER UNTIL SUBSTANTIALLY ALL OF THE WATER HAS EVAPORATED AND A DRY, PLASTIC, VULCANIZABLE MIXTURE IS OBTAINED, FORMING THE MIIXTURE TO SHAPE, AND VULCANIZING IT TO THE FINAL PROPELLANT SHAPE.
Claim 2
Dependent Claim
65 words
A PROCESS OF MAKING RUBBER OXIDIZING SALT TYPE PROPELLANTS COMPRISING THE STEPS OF ADDING AN INORGANIC STRONG OXIDIZING SALT TO A RUBBER LATEX AND MIXING THE RESULTANT OXIDIZING SALT RUBBER LATEX MIXTURE IN A DOUGH-TYPE MIXER UNTIL SUBSTANTIALLY ALL OF THE WATER HAS EVAPORATED AND A DRY, PLASTIC, VULCANIZABLE MIXTURE IS OBTAINED, FORMING THE MIIXTURE TO SHAPE, AND VULCANIZING IT TO THE FINAL PROPELLANT SHAPE.
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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |