US3308661A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow meter with dampening means
Assignee: Individual
•
Filing: 1964-09-28
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Granted: 1967-03-14
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Wilbur W Stevenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:49
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/11
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A METER, IN COMBINATION, A CONDUIT CONVEYING A CONDENSIBLE GASEOUS FLUID TO BE MEASURED, AN ORIFICE IN THE CONDUIT, MEANS INCLUDING A METER FOR CONVEYING A PORTION OF THE FLUID FROM THE UPSTREAM FACE OF THE ORIFICE AND PASSING IT TO THE METER FOR MEASURING THE QUANTITY OF FLUID SO CONVEYED, THE METER COMPRISING A ROTATABLE TURBINE, DAMPING BLADES ATTACHED TO THE TURBINE, A DAMPING LIQUID COMPRISING CONDENSED FLUID ASSOCIATED WITH THE DAMPING BLADES, A CASING FOR HOLDING THE DAMPING LIQUID, THE CASING HAVING WALLS EXPOSED TO THE ATMOSPHERE TO MAINTAIN THE LIQUID AT RELATIVELY LOW TEMPERATURE TO PREVENT UNDUE EVAPORATION THEREOF, AND THE CASING INCLUDING ADDITIONAL WALLS FORMING CHANNELS WITH SAID WALLS EXPOSED TO THE ATMOSPHERE FOR PASSAGE OF EXHAUST STEAM FROM THE
Claim 2
Dependent Claim
125 words
IN A METER, IN COMBINATION, A CONDUIT CONVEYING A CONDENSIBLE GASEOUS FLUID TO BE MEASURED, AN ORIFICE IN THE CONDUIT, MEANS INCLUDING A METER FOR CONVEYING A PORTION OF THE FLUID FROM THE UPSTREAM FACE OF THE ORIFICE AND PASSING IT TO THE METER FOR MEASURING THE QUANTITY OF FLUID SO CONVEYED, THE METER COMPRISING A ROTATABLE TURBINE, DAMPING BLADES ATTACHED TO THE TURBINE, A DAMPING LIQUID COMPRISING CONDENSED FLUID ASSOCIATED WITH THE DAMPING BLADES, A CASING FOR HOLDING THE DAMPING LIQUID, THE CASING HAVING WALLS EXPOSED TO THE ATMOSPHERE TO MAINTAIN THE LIQUID AT RELATIVELY LOW TEMPERATURE TO PREVENT UNDUE EVAPORATION THEREOF, AND THE CASING INCLUDING ADDITIONAL WALLS FORMING CHANNELS WITH SAID WALLS EXPOSED TO THE ATMOSPHERE FOR PASSAGE OF EXHAUST STEAM FROM THE
References Cited (Backward Citations)
US1963904A
Cited
US3183712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |