US2928846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imides of bicycloheptene adducts
Assignee: Pfizer Inc
•
Filing: 1957-01-15
•
Granted: 1960-03-15
•
Expires: 1977-01-15
Abstract
No abstract record available.
Inventors
- 👤 Bavley Abraham
- 👤 Bryce E Tate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:21
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/56; C07D209/96; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3415
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
THE COMPOUND OF THE FORMULA:
Claim 2
Dependent Claim
5 words
THE COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2752361A
Cited
US2795589A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |