US3270053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-(alpha-halo-lower alkanoylamino)-benzophenones
Assignee: CURACAO PHARMHOLDING NV
•
Filing: 1961-11-20
•
Granted: 1966-08-30
•
Expires: 1981-11-20
Abstract
No abstract record available.
Inventors
- 👤 Reeder Earl
- 👤 Sternbach Leo Henryk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:30
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/04; C07D265/12; C07D265/14; C07D265/20; C07D265/22; C07C; C07C205/00; C07C205/45; C07C233/00; C07C233/01; C07C233/30; C07C233/33; C07C233/64; C07C45/00; C07C45/004; C07C45/42; C07C49/00; C07C49/76; C07C49/80; C07C49/813; C07D243/00; C07D243/06; C07D243/10; C07D243/14; C07D243/16; C07D243/18; C07D243/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
References Cited (Backward Citations)
US2893992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |