US2870146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic agents
Assignee: Bristol Laboratories Inc
•
Filing: 1958-02-10
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Granted: 1959-01-20
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Expires: 1978-02-10
Abstract
No abstract record available.
Inventors
- 👤 Perron Yvon Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:22
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/12; C07D295/135; C07C; C07C233/00; C07C233/01; C07C233/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A FREE BASE AND THE MONTOXIC ACID ADDITION SALTS THEREOF, SAID FREE BASE HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Dependent Claim
30 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A FREE BASE AND THE MONTOXIC ACID ADDITION SALTS THEREOF, SAID FREE BASE HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
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 |