US3159647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 5-diazabicyclo [3.2.1] octanes
Assignee: Union Carbide Corp
•
Filing: 1961-02-27
•
Granted: 1964-12-01
•
Expires: 1981-02-27
Abstract
No abstract record available.
Inventors
- 👤 Poppelsdorf Fedor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:04
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
1,5-DIAZABIXYCLO(3.2.1)OCTANE REPRESNETED BY THE FORMULA:
Claim 2
Dependent Claim
5 words
1,5-DIAZABIXYCLO(3.2.1)OCTANE REPRESNETED BY THE FORMULA:
References Cited (Backward Citations)
US3040028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |