Patent US3169397A successfully refreshed from Google Patents.
US3169397A
Expired / Lapsed
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Fluid flow meter
Assignee: Individual
•
Filing: 1961-11-30
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Granted: 1965-02-16
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Expires: 1981-11-30
Abstract
No abstract record available.
Inventors
- 👤 Murray William Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:56
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/76; G01F1/78; G01F1/80
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
137 words
A FLUID FLOW METER COMPRISING A BODY HAVING A PASSAGE THERETHROUGH FOR FLOW OF FLUID TO BE MEASURED, A YOKE EXTENDING ACROSS SAID PASSAGE AND PIVOTALLY MOUNTED AT A FIRST END THEREOF ON SAID BODY FOR PIVOTAL MOUNTED AT A OF SAID PASSAGE, A TURBINE WHEEL MOUNTED IN SAID YOKE FOR FREE ROTATION BY FLUID FLOWING THROUGH SAID PASSAGE, FIRST MEANS PIVOTALLY CONNECTED TO A SECOND END OF SAID YOKE FOR MEASURING THE FORCE ON SAID YOKE AS SAID YOKE IS PIVOTED RELATIVE TO SAID BODY BY FLUID FLOWING THROUGH SAID PASSAGE AND IMPINGING ON SAID WHEEL AND YOKE, SECOND MEANS RESPONSIVE TO SAID FORCE AS MEASURED BY SAID FIRST MEANS FOR PROVIDING AN ELECTRICAL OUTPUT PROPORTIONAL THERETO, THIRD MEANS FOR MEASURING THE SPEED OF ROTATION OF SAID WHEEL AND TO PROVIDE AN ELECTRICAL OUTPUT PROPORTIONAL TO
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |