US2870145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic agents
Assignee: Bristol Laboratories Inc
•
Filing: 1955-09-09
•
Granted: 1959-01-20
•
Expires: 1975-09-09
Abstract
No abstract record available.
Inventors
- 👤 Perron Yvon Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:24
CPC Classifications
C; C07; C07D; C07D265/00; C07D265/28; C07D265/30; C07D295/00; C07D295/04; C07D295/12; C07D295/125; C07D295/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A FREE BASE AND THE NON-TOXIC ACID ADDITION SALTS THEREOF, SAID FREE BASE HAVING THE FORMULA
Claim 2
Dependent Claim
24 words
A MEMBER SELECTED FROM THE GROUP CONSISTING OF A FREE BASE AND THE NON-TOXIC ACID ADDITION SALTS THEREOF, SAID FREE BASE HAVING THE FORMULA
References Cited (Backward Citations)
US1936496A
Cited
DE822386C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |