US3106090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring prothrombin time
Assignee: NORTON IN RY INST OF RES FA
•
Filing: 1960-05-31
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Granted: 1963-10-08
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Expires: 1980-05-31
Abstract
No abstract record available.
Inventors
- 👤 Malcolm L Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:18
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/483; G01N33/487; G01N33/49; G01N33/4905; A; A61; A61B; A61B5/00; A61B5/15; A61B5/150007; A61B5/150015; A61B5/150022; A61B5/150755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
APPARATUS FOR USE IN MEASURING THE PROTHROMBIN TIME OF A LIQUID MIXTURE OF VLOOD AND THROMBOPLASTIN, COMPRISING: A BOX HAVING A THERMAL CHAMBER CONTAINING A GASEOUS ATMOSPHERE; MEANS FOR MAINTAINING SAID THERMAL CHAMBER ATMOSPHERE AT A PREDETERMINED TEMPERATURE; ACCESSORY MEANS INCLUDING A SLIDE; MOTORIZED SUPPORTING MEANS FOR SUPPORTING SAID SLIDE WITHIN AND WHOLLY SURROUNDED BY THE GASEOUS ATMOSPHERE OF SAID THERMAL CHAMBER AND FOR MOVING SAID SLIDE AT A PREDETERMINED SPEED AND IN A MANNER EFFECTIVE, WHEN A CHARGE OF SAID MIXTURE IN PLACED ON SAID SLIDE, TO CAUSE SAID CHARGE TO MOVE SLOWLY ALONG THE SLIDE; AND MEANS RENDERING THE CHARGE
Claim 2
Dependent Claim
102 words
APPARATUS FOR USE IN MEASURING THE PROTHROMBIN TIME OF A LIQUID MIXTURE OF VLOOD AND THROMBOPLASTIN, COMPRISING: A BOX HAVING A THERMAL CHAMBER CONTAINING A GASEOUS ATMOSPHERE; MEANS FOR MAINTAINING SAID THERMAL CHAMBER ATMOSPHERE AT A PREDETERMINED TEMPERATURE; ACCESSORY MEANS INCLUDING A SLIDE; MOTORIZED SUPPORTING MEANS FOR SUPPORTING SAID SLIDE WITHIN AND WHOLLY SURROUNDED BY THE GASEOUS ATMOSPHERE OF SAID THERMAL CHAMBER AND FOR MOVING SAID SLIDE AT A PREDETERMINED SPEED AND IN A MANNER EFFECTIVE, WHEN A CHARGE OF SAID MIXTURE IN PLACED ON SAID SLIDE, TO CAUSE SAID CHARGE TO MOVE SLOWLY ALONG THE SLIDE; AND MEANS RENDERING THE CHARGE
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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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |