US3302452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coagulation detector and coagulability determination
Assignee: Cutler Hammer Inc
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Filing: 1964-04-27
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Granted: 1967-02-07
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Expires: 1984-04-27
Abstract
No abstract record available.
Inventors
- 👤 Myron W Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:30
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/4905; G01N35/00; G01N35/02; G01N35/021
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
APPARATUS FOR DETECTING THE FORMATION OF A REACTION PRODUCT OF A TEST FLUID AND A LIQUID REAGENT HAVING A GREATER RESISTANCE TO SHEAR THAN THE MIXTURE OF TEST FLUID AND REAGENT, COMPRISING IN COMBINATION, MEANS FOR SUPPORTING A TUBULAR REACTION VESSEL CONTAINING THE TEST FLUID AND REAGENT WITH THE LONGITUDINAL AXIS OF THE VESSEL AT AN ANGLE OF ABOUT FIVE TO TWENTY DEGREES TO THE HORIZONTAL, MEANS FOR ROTATING SAID VESSEL AS THUS SUPPORTED ABOUT SAID AXIS CONTINUOUSLY AT A SUBSTANTIALLY CONSTANT SPEED TO FORM A VORTEX IN THE FLUID MIXTURE CONTAINED IN THE REACTION VESSEL, AND MEANS RESPONSIVE TO CHANGE IN TRANSMISSIBILITY OF RADIATION ALONG A PATH INTERCEPTED BY THE VORTEX TO INDICATE THE FORMATION OF SUCH REACTION PRODUCT.
Claim 2
Dependent Claim
120 words
APPARATUS FOR DETECTING THE FORMATION OF A REACTION PRODUCT OF A TEST FLUID AND A LIQUID REAGENT HAVING A GREATER RESISTANCE TO SHEAR THAN THE MIXTURE OF TEST FLUID AND REAGENT, COMPRISING IN COMBINATION, MEANS FOR SUPPORTING A TUBULAR REACTION VESSEL CONTAINING THE TEST FLUID AND REAGENT WITH THE LONGITUDINAL AXIS OF THE VESSEL AT AN ANGLE OF ABOUT FIVE TO TWENTY DEGREES TO THE HORIZONTAL, MEANS FOR ROTATING SAID VESSEL AS THUS SUPPORTED ABOUT SAID AXIS CONTINUOUSLY AT A SUBSTANTIALLY CONSTANT SPEED TO FORM A VORTEX IN THE FLUID MIXTURE CONTAINED IN THE REACTION VESSEL, AND MEANS RESPONSIVE TO CHANGE IN TRANSMISSIBILITY OF RADIATION ALONG A PATH INTERCEPTED BY THE VORTEX TO INDICATE THE FORMATION OF SUCH REACTION PRODUCT.
References Cited (Backward Citations)
US2192568A
Cited
US2478785A
Cited
US2531529A
Cited
US2616796A
Cited
US2879141A
Cited
US2878715A
Cited
US3020748A
Cited
US3193359A
Cited
US3219416A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |