US2918489A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Geminal dinitro compounds and method of preparing same
Assignee: Aerojet Rocketdyne Inc
•
Filing: 1950-11-30
•
Granted: 1959-12-22
•
Expires: 1970-11-30
Abstract
No abstract record available.
Inventors
- 👤 Marvin H Gold
- 👤 Herzog Levonna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:57
CPC Classifications
C; C07; C07C; C07C255/00; C07C205/00; C07C205/49; C07C205/50; C07C205/51
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
13 words
AS NEW COMPOSITIONS OF MATTER THE GEMINAL DINITRO COMPOUNDS HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
13 words
AS NEW COMPOSITIONS OF MATTER THE GEMINAL DINITRO COMPOUNDS HAVING THE GENERAL FORMULA:
Claim 3
Independent Claim
11 words
THE METHOD OF PREPARING GEMINAL DINITRO COMPOUNDS HAVING THE GENERAL FORMULA:
Claim 4
Independent Claim
11 words
THE METHOD OF PREPARING GEMINAL DINITRO COMPOUNDS HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
US2328370A
Cited
US2396626A
Cited
DE728531C
Cited
US2361259A
Cited
US2342119A
Cited
US2460536A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-21 | 1963-06-22 | 1963-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-21 | 1967-06-22 | 1967-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-21 | 1971-06-22 | 1971-12-22 | $7700.00 | Window Closed / Lapsed |