US2984666A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Condensed heterocyclic nitriles
Assignee: Rohm and Haas Co
•
Filing: 1958-06-18
•
Granted: 1961-05-16
•
Expires: 1978-06-18
Abstract
No abstract record available.
Inventors
- 👤 Newman M Bortnick
- 👤 Marian F Fegley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:43
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
17 words
AS A COMPOSITION OF MATTER, A MEMBER FROM THE CLASS CONSISTING OF THE COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
17 words
AS A COMPOSITION OF MATTER, A MEMBER FROM THE CLASS CONSISTING OF THE COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
6 words
AS A COMPOSITION OF MATTER, 6-CYANO-2,3,4,6,7,8HEXAHYDRO-6,8,8-TRIMETHYLPYRROLO(1,2-A)-PYRIMIDINE.
Claim 4
Dependent Claim
6 words
AS A COMPOSITION OF MATTER, 6-CYANO-2,3,4,6,7,8HEXAHYDRO-6,8,8-TRIMETHYLPYRROLO(1,2-A)-PYRIMIDINE.
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) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |