US2551027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dinitronaphthenes
Assignee: Union Oil Company of California
•
Filing: 1946-12-09
•
Granted: 1951-05-01
•
Expires: 1966-12-09
Abstract
No abstract record available.
Inventors
- 👤 Robert W Long
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:30
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/05; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
1,2-DINITROCYCLOHEXANE HAVING MELTING POINT OF APPROXIMATELY 46.4* C.
Claim 2
Dependent Claim
8 words
1,2-DINITROCYCLOHEXANE HAVING MELTING POINT OF APPROXIMATELY 46.4* C.
References Cited (Backward Citations)
US2224723A
Cited
US2228261A
Cited
US2335384A
Cited
US2332491A
Cited
US2343534A
Cited
US2423180A
Cited
US2420938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |