Patent US3004840A successfully refreshed from Google Patents.
US3004840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid composite propellants containing polyalkylene oxides
Assignee: Dow Chemical Co
•
Filing: 1957-10-17
•
Granted: 1961-10-17
•
Expires: 1977-10-17
Abstract
No abstract record available.
Inventors
- 👤 Malcolm E Pruitt
- 👤 Joseph M Baggett
- 👤 Wallace T Mcmichael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:18
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/04; C06B45/06; C06B45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A SOLID PROPELLANT COMPOSITION CONSISTING ESSENTIALLY OF AN INTIMATE ADMIXTURE OF A SOLID, INORGANIC OXIDIZING SALT WITH A POLYMER OF A LOWER ALKYLENE OXIDE, WHEREIN THE SAID POLYMER IS PRESENT IN THE AMOUNT FROM 60 TO 5% BY WEIGHT OF THE SOLID PROPELLANT.
Claim 2
Dependent Claim
43 words
A SOLID PROPELLANT COMPOSITION CONSISTING ESSENTIALLY OF AN INTIMATE ADMIXTURE OF A SOLID, INORGANIC OXIDIZING SALT WITH A POLYMER OF A LOWER ALKYLENE OXIDE, WHEREIN THE SAID POLYMER IS PRESENT IN THE AMOUNT FROM 60 TO 5% BY WEIGHT OF THE SOLID PROPELLANT.
References Cited (Backward Citations)
US2857258A
Cited
US2520733A
Cited
GB655585A
Cited
US2622277A
Cited
GB733624A
Cited
US2706189A
Cited
US2855372A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |