US3078841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rate-of-blood flow measuring device
Assignee: Individual
•
Filing: 1958-07-14
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Granted: 1963-02-26
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Expires: 1978-07-14
Abstract
No abstract record available.
Inventors
- 👤 Jr John C Brownson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:43
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/28; A; A61; A61B; A61B5/00; A61B5/02; A61B5/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A MEDICAL INSTRUMENT FOR USE IN MEASURING THE RATE OF FLOW OF BLOOD IN A BLOOD VESSEL, COMPRISING: (A) A TAPERED THRUST-SENSING ELEMENT ADAPTED TO BE FORCED THROUGH THE WALL OF A BLOOD VESSEL INTO THE INTERIOR THEREOF, WHICH ELEMENT IS SHORTER THAN THE INTERIOR DIAMETER OF THE SMALLEST BLOOD VESSEL ON WHICH IT WILL BE USED, WITH SAID ELEMENT HAVING A FIRST END PORTION OF SUBSTANTIALLY CIRCULAR TRANSVERSE CROSS SECTION; (B) A TUBULAR SHANK; (C) FIRST MEANS FOR PIVOTALLY CONNECTING SAID FIRST END PORTION TO A LOWER END OF SAID SHANK; (D) A TENSION WIRE CONNECTED TO SAID FIRST END PORTION AND EXTENDING LONGITUDINALLY UPWARDLY IN SAID SHANK;
Claim 2
Dependent Claim
109 words
A MEDICAL INSTRUMENT FOR USE IN MEASURING THE RATE OF FLOW OF BLOOD IN A BLOOD VESSEL, COMPRISING: (A) A TAPERED THRUST-SENSING ELEMENT ADAPTED TO BE FORCED THROUGH THE WALL OF A BLOOD VESSEL INTO THE INTERIOR THEREOF, WHICH ELEMENT IS SHORTER THAN THE INTERIOR DIAMETER OF THE SMALLEST BLOOD VESSEL ON WHICH IT WILL BE USED, WITH SAID ELEMENT HAVING A FIRST END PORTION OF SUBSTANTIALLY CIRCULAR TRANSVERSE CROSS SECTION; (B) A TUBULAR SHANK; (C) FIRST MEANS FOR PIVOTALLY CONNECTING SAID FIRST END PORTION TO A LOWER END OF SAID SHANK; (D) A TENSION WIRE CONNECTED TO SAID FIRST END PORTION AND EXTENDING LONGITUDINALLY UPWARDLY IN SAID SHANK;
References Cited (Backward Citations)
US2708928A
Cited
FR1042204A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |