Patent US3706610A successfully refreshed from Google Patents.
US3706610A
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US
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Composite polysulfide propellant cured with a monofunctional mercaptan
Assignee: United States Department of the Army
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Filing: 1962-11-07
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Granted: 1972-12-19
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Expires: 1982-11-07
Abstract
Abstract SOLID COMPOSITE PROPELLANTS BASED ON CURRED POLYSULFIDE POLYMERS ARE IMPROVED IN ELASTICITY AND RESISTANCE TO MECHANICAL SHOCK BY USING A MONOFUNCTIONAL MERCAPTAN AS THE CURING AGENT. THE CURING STEP IS CONDUCTED IN A MOLD OF THE DDESIRED SHAPE.
Inventors
- 👤 Harry R Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:35
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-12-19 | 1976-06-19 | 1976-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-19 | 1980-06-19 | 1980-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-19 | 1984-06-19 | 1984-12-19 | $7700.00 | Window Closed / Lapsed |