Patent US3213682A successfully refreshed from Google Patents.
US3213682A
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Fluid turbulence detector
Assignee: Aerojet Rocketdyne Inc
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Filing: 1961-03-06
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Granted: 1965-10-26
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Expires: 1981-03-06
Abstract
No abstract record available.
Inventors
- 👤 Calvin A Gongwer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:51
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/20; G01F1/32; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2065
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
76 words
A TURBULENCE DETECTOR ATTACHED TO A SUCTION MEANS COMPRISING: A FIRST AND A SECOND PLATE, SAID PLATES BEING GENERALLY PARALLEL AND IN SPACED RELATIONSHIP TO EACH OTHER, SAID FIRST PLATE HAVING A VENTURI PASSAGEWAY THERETHROUGH EXTENDING SUBSTANTIALLY PERPENDICULAR TO SAID PLATES AND SPACED FROM THE OUTER PERIPHERY OF SAID FIRST PLATE, AN IMPELLER ROTATABLY RECEIVED BY THE SAID VENTURI PASSAGEWAY AND COAXIAL THEREWITH, ROTATIVE SUPPORTING MEANS ATTACHED TO THE SAID FIRST PLATE RECEIVING THE SAID IMPELLER,
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |