US2963507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitroparaffin-hydrazine salts
Assignee: WR Grace and Co
•
Filing: 1956-03-13
•
Granted: 1960-12-06
•
Expires: 1976-03-13
Abstract
No abstract record available.
Inventors
- 👤 Rudner Bernard
- 👤 Marguerite E Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:00
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/23; C10L1/231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
HYDRAZINIUM NITRONATES HAVING THE FORMULA RNO2.R''R"N2H2 WHEREIN R IS LOWER ALKYL AND R'' AND R" ARE MEMBERS INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ASLKYL.
Claim 2
Dependent Claim
28 words
HYDRAZINIUM NITRONATES HAVING THE FORMULA RNO2.R''R"N2H2 WHEREIN R IS LOWER ALKYL AND R'' AND R" ARE MEMBERS INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND LOWER ASLKYL.
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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |