US3287459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbostyrils, coumarines and thiocoumarines
Assignee: Chattanooga Medicine Co
•
Filing: 1961-10-23
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Granted: 1966-11-22
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Expires: 1981-10-23
Abstract
No abstract record available.
Inventors
- 👤 Zimmer Hans Willi
- 👤 James M Holbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:45
CPC Classifications
C; C07; C07D; C07D215/00; C07D215/02; C07D215/16; C07D215/20; C07D215/22; C07D215/227; C07D311/00; C07D311/02; C07D311/04; C07D311/06; C07D311/08; C07D311/12; C07D335/00; C07D335/04; C07D335/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
21 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 3 - (2 - HYDROXYETHYL) - CARBOSTYRIL, 3-(2-HYDOXYETHYL) -4BROMOCOUMARINE, 3-(2-HYDROXYETHYL)-4-BROMOTHICOUMARINE, 3-(2-HYDROXETHYL)-4-BROMOCARBOSTYRIL, AND 3-(2BROMOETHERYL)-CARBOSTYRIL.
Claim 2
Dependent Claim
21 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 3 - (2 - HYDROXYETHYL) - CARBOSTYRIL, 3-(2-HYDOXYETHYL) -4BROMOCOUMARINE, 3-(2-HYDROXYETHYL)-4-BROMOTHICOUMARINE, 3-(2-HYDROXETHYL)-4-BROMOCARBOSTYRIL, AND 3-(2BROMOETHERYL)-CARBOSTYRIL.
References Cited (Backward Citations)
US2995557A
Cited
GB805748A
Cited
US2858315A
Cited
US3008969A
Cited
US3009922A
Cited
US3007940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |