US3587295A
Expired / Lapsed
US
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Coagulation and viscosity test apparatus and method
Assignee: SANFORD L SIMONS
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Filing: 1969-03-13
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Granted: 1971-06-28
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Expires: 1989-03-13
Abstract
Abstract APPARATUS AND METHOD FOR DETERMINING THE COAGULATION AND/OR VISCOSITY CHARACTERISTICS OF FLUIDS IN WHICH A SAMPLE OF A BIOLOGICAL OR OTHER FLUID IS MECHANICALLY AGITATED AND THE ENERGY TRANSMITTED BY SAID FLUID IS RECEIVED AND EVALUATED BY ENERGY SENSITIVE MEANS TO DETERMINE THE INSTANTANEOUS AND/OR SEQUENTIAL ENERGY BEING TRANSMITTED. A READOUT INDICATIVE OF FLUID VISOCOSITY AND DEVELOPING COAGULATION IS OBTAINED THAT MAY BE COORDINATED WITH EXPIRED TIME. A TRANSPONDER DERIVED VIBRATIONAL INPUT AND A TRANSDUCER READOUT IS DISCLOSED.
Inventors
- 👤 Sanford L Simons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:49
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/4905; G01N11/00; G01N11/10; G01N11/16
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |