US3025299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New carbostyril derivatives
Assignee: —
•
Filing: —
•
Granted: 1962-03-13
•
Expires: 1979-03-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:15
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1 words
1-PHENYL-3-BENZYL-4-HYDROXY-CARBOSTYRIL.
Claim 2
Dependent Claim
1 words
1-PHENYL-3-BENZYL-4-HYDROXY-CARBOSTYRIL.
References Cited (Backward Citations)
DE287803C
Cited
US2954382A
Cited
DE490274C
Cited
DE512720C
Cited
US2542850A
Cited
US2844510A
Cited
US2838441A
Cited
US2895956A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |