US3293134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diagnostic reagent composition for determining blood coagulation factors and method of use
Assignee: Warner Lambert Co LLC
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Filing: 1961-09-08
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Granted: 1966-12-20
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Expires: 1981-09-08
Abstract
No abstract record available.
Inventors
- 👤 Jane G Lenahan
- 👤 Monroe L Miller
- 👤 Cohen Raphael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:59
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/56
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A CEPHALIN FREE DIAGNOSTIC REAGENT COMPOSITION FOR USE IN DETERMINING BLOOD COAGULATION FACTORS IN BOTH EXTRINSIC AND INTRISIC COAGULATION SYSTEMS HAVING A PH OF 7.2-7.6 AND CONSISTING ESSENTIALLY OF (1) TISSUE THROMBOPLASTIN HAVING WEAK ACTIVITY TOWARD HUMAN PLASMA; (2) ADSORBED BOVINE PLASMA, FREE FROM STAUART FACTOR, PROTHROMBIN, PROCONVERTIN AND CHRISTMAS FACTOR AND CONTAING PROCCELERIN AND FIGRINOGEN.
Claim 2
Dependent Claim
56 words
A CEPHALIN FREE DIAGNOSTIC REAGENT COMPOSITION FOR USE IN DETERMINING BLOOD COAGULATION FACTORS IN BOTH EXTRINSIC AND INTRISIC COAGULATION SYSTEMS HAVING A PH OF 7.2-7.6 AND CONSISTING ESSENTIALLY OF (1) TISSUE THROMBOPLASTIN HAVING WEAK ACTIVITY TOWARD HUMAN PLASMA; (2) ADSORBED BOVINE PLASMA, FREE FROM STAUART FACTOR, PROTHROMBIN, PROCONVERTIN AND CHRISTMAS FACTOR AND CONTAING PROCCELERIN AND FIGRINOGEN.
References Cited (Backward Citations)
US3179567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |