US3172793A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature xc
Assignee: —
•
Filing: —
•
Granted: 1965-03-09
•
Expires: 1982-03-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:16
CPC Classifications
C; C06; C06B; C06B23/00; C06B23/006; C06B29/00; C06B29/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
AN AMMONIUM PERCHLORATE-CONTAINING PROPELLANT COMPOSITION HAVING IMPROVED THERMAL STABILTIY AT ELEVATED TEMPERATURES COMPRISING A MIXTURE OF MAJOR PROPORTION OF AMMONIUM PERCHLORATE, A MINOR PROPORTION OF A POLYMERIC FUEL BINDER COMPOSITION AND AT LEAST ONE SOLID COMPOUND CAPABLE OF DECOMPOSING INTO AMMONIA AT A TEMPERATURE BELOW 200*C. SELECTED FROM THE GROUP CONSISTING OF AMMONIUM CARBONATE, AMMONIUM BICARBONATE AND UREA.
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) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |