US2706202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bicycloheptane derivatives and process for preparing the same
Assignee: Pfizer Inc
•
Filing: 1953-12-07
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Granted: 1955-04-12
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Expires: 1973-12-07
Abstract
No abstract record available.
Inventors
- 👤 Bavley Abraham
- 👤 Charles J Knuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:56
CPC Classifications
C; C07; C07C; C07C327/00; C08; C08K; C08K5/00; C08K5/36; C08K5/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
A COMPOUND REPRESENTED BY THE FOLLOWING FORMULA:
Claim 2
Dependent Claim
7 words
A COMPOUND REPRESENTED BY THE FOLLOWING FORMULA:
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) | 1958-04-11 | 1958-10-11 | 1959-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-04-11 | 1962-10-11 | 1963-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-04-11 | 1966-10-11 | 1967-04-12 | $7700.00 | Window Closed / Lapsed |