US2899358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:59
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/45; A; A61; A61K; A61K31/00; A61K31/12; A61K31/122; A61K2300/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
A BLOOD ANTICOAGULANT COMPOSITION IN DOSAGE FORM COMPRISING A SOLID PHARMACEUTICALLY ACCEPTABLE CARRIER AND FROM ABOUT 25 MG. TO ABOUT 250MG. OF 2-(P-METHOXYPHENYL)-1.3-INDANDIONE.
Claim 2
Dependent Claim
23 words
A BLOOD ANTICOAGULANT COMPOSITION IN DOSAGE FORM COMPRISING A SOLID PHARMACEUTICALLY ACCEPTABLE CARRIER AND FROM ABOUT 25 MG. TO ABOUT 250MG. OF 2-(P-METHOXYPHENYL)-1.3-INDANDIONE.
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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |