Patent US3307985A successfully refreshed from Google Patents.
US3307985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized propellent compositions containing hydrazine nitroform and nitrocellulose
Assignee: Atlantic Research Corp
•
Filing: 1961-07-06
•
Granted: 1967-03-07
•
Expires: 1981-07-06
Abstract
No abstract record available.
Inventors
- 👤 William H Jago
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:11
CPC Classifications
C; C06; C06B; C06B25/00; C06B25/18; C06B25/20; C06B23/00; C06B23/006; C06B47/00; C06B47/02; C06B47/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
IN A PROPELLENT COMPOSITION COMPRISING NITROCELLULOSE AND HYDRAZINE NITROFORM, THE IMPROVEMENT COMPRISING THE ADDITION OF UP TO ABOUT 10% BY WEIGHT OF A SALT OF A GROUP II-A METAL, SAID SALT SERVING TO STABILIZE SAID NITROCELLULOSE AND HYDRAZINE NITROFORM.
Claim 2
Dependent Claim
39 words
IN A PROPELLENT COMPOSITION COMPRISING NITROCELLULOSE AND HYDRAZINE NITROFORM, THE IMPROVEMENT COMPRISING THE ADDITION OF UP TO ABOUT 10% BY WEIGHT OF A SALT OF A GROUP II-A METAL, SAID SALT SERVING TO STABILIZE SAID NITROCELLULOSE AND HYDRAZINE NITROFORM.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |