US3561266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for measuring the flow velocity of a fluid
Assignee: US Philips Corp
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Filing: 1968-07-01
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Granted: 1971-02-09
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Expires: 1988-07-01
Abstract
Abstract A DEVICE FOR MEASURING THE RATE OF FLOW OF BLOOD IN THE HUMAN BODY COMPRISING FIRST AND SECOND PARAXIAL TUBES INSERTABLE INTO A BLOOD CHANNEL FOR INJECTING THEREIN A SERUM MISCIBLE WITH THE BLOOD AND FOR REMOVING A SAMPLE OF THE BLOOD-SERUM MIXTURE, RESPECTIVELY. MEANS ARE PROVIDED FOR MEASURING THE VELOCITY OF THE SERUM, AND THE TEMPERATURE OF THE SERUM, THE BLOOD AND THE BLOOD-SERUM MIXTURE. AN ELECTROMAGNETIC AGITATOR IS SITUATED NEAR THE END OF THE SECOND TUBE TO IMPROVE THE MIXING OF THE BLOOD AND THE SERUM.
Inventors
- 👤 Michel Auphan
- 👤 Jean Perilhou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:45
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/02; A61B5/026; A61B5/0275; A61B5/028; G; G01; G01F; G01F1/00; G01F1/68; G01F1/684; G01F1/688; G01F1/6888; G01F1/704
Claims Analysis
Total Claims: 0
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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) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |