Patent US3265698A successfully refreshed from Google Patents.
US3265698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel substituted 3-(alpha-carbamoyloxy-lower alkyl)-4, 7-indoloquinones
Assignee: Wyeth Holdings LLC
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Filing: 1964-08-07
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Granted: 1966-08-09
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Expires: 1984-08-07
Abstract
No abstract record available.
Inventors
- 👤 Jr George Rodger Allen
- 👤 Poletto John Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:48
CPC Classifications
C; C07; C07D; C07D209/00; C07D209/02; C07D209/04; C07D209/10; C07D209/12; C07C; C07C205/00; C07C205/27; C07C205/35; C07C205/36; C07C205/37; C07D209/08; C07D209/14; C07D209/30; C07D209/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
A MEMBER OF THE CLASS CONSISTING OF 3-(A-CARBAMOYLOXY-LOWER ALKYL)-4,7-IODOLOQUINONES OF THE FORMULA:
Claim 2
Dependent Claim
12 words
A MEMBER OF THE CLASS CONSISTING OF 3-(A-CARBAMOYLOXY-LOWER ALKYL)-4,7-IODOLOQUINONES OF THE 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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |