Patent US3000718A successfully refreshed from Google Patents.
US3000718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Propellant compositions
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1948-12-20
•
Granted: 1961-09-19
•
Expires: 1968-12-20
Abstract
No abstract record available.
Inventors
- 👤 Jr William E Campbell
- 👤 Lloyd H Brown
- 👤 Adolph L Antonio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:52
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
62 words
A PROPELLANT COMPRISING AN INTIMATE MIXTURE OF ABOUT 15 TO 30% BY WEIGHT OF THE MIXTURE OF POLYMERIZED FURFURYL ALCOHOL CONDENSATION RESIN, AND ABOUT 15 TO 30% BY WEIGHT OF THE MIXTURE OF 2,2-DINITROPROPANE, AND ABOUT 50 TO 70% BY WEIGHT OF THE MIXTURE OF ONE OR MORE ORGANIC OXYGEN DONOR SUBSTANCES FROM THE GROUP CONSISTING OF PENTAERYTHRITOL-TETRANITRATE, CYCLOTRIMETHYLENE TRINITRAMINE, AND TETRANITROBUTANE.
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |