US3292431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow measuring devices
Assignee: Cardinal Surveys Co
•
Filing: 1964-05-15
•
Granted: 1966-12-20
•
Expires: 1984-05-15
Abstract
No abstract record available.
Inventors
- 👤 Marcus C Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:15
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/10; E21B33/12; E21B33/127; E21B33/1275; E21B47/00; E21B47/10; G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/115
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A FLOW METER INCLUDING: AN ELONGATE HOUSING HAVING A LONGITUDINALLY EXTENDING TURBINE PASSAGE OPENING TO THE EXTERIOR OF THE HOUSING AT THE LOWER END OF SAID HOUSING, SAID HOUSING HAVING A LATERAL PORT COMMUNICATING SAID TURBINE PASSAGE TO THE EXTERIOR OF SAID HOUSING INTERMEDIATE LONGITUDINALLY SPACED ENDS OF SAID TURBINE PASSAGE; A TURBINE IN SAID TURBINE PASSAGE BELOW SAID LATERAL PORT AND ROTATABLE BY FLUDS FLOWING THROUGH SAID TURBINE PASSAGE; ROTOR MEANS MOUNTED IN SAID TURBINE PASSAGE ABOVE THE INNER END OF SAID LATERAL PORT AND OUT OF THE PATH OF FLOW OF FLUIDS THROUGH SAID TURBINE PASSAGE, SAID ROTOR MEANS BEING ROTATABLE BY SAID TURBINE AND HAVING A MAGNET MOVABLE ABOUT THE AXIS OF ROTATION OF SAID ROTOR MEANS; A PAIR OF SWITCHES CARRIED BY SAID HOUSING ADJACENT SAID ROTOR MEANS AND SPACED FROM EACH OTHER ABOUT THE AXIS OF ROTATION OF SAID ROTOR MEANS, THE DISTANCES BETWEEN THE TWO SWITCHES ABOUT THE AXIS OF ROTATON OF SAID ROTOR MEANS BEING UNEQUAL, SAID SWITCHES BEING CLOSABLE SUCCESSIVELY BY THE MAGNETIC FIELD OF SAID MAGNET DURING EACH ROTATION OF SAID ROTOR MEANS FOR PROVIDING SIGNALS INDICATING THE RATE OF FLOW OF FLUIDS
Claim 2
Dependent Claim
192 words
A FLOW METER INCLUDING: AN ELONGATE HOUSING HAVING A LONGITUDINALLY EXTENDING TURBINE PASSAGE OPENING TO THE EXTERIOR OF THE HOUSING AT THE LOWER END OF SAID HOUSING, SAID HOUSING HAVING A LATERAL PORT COMMUNICATING SAID TURBINE PASSAGE TO THE EXTERIOR OF SAID HOUSING INTERMEDIATE LONGITUDINALLY SPACED ENDS OF SAID TURBINE PASSAGE; A TURBINE IN SAID TURBINE PASSAGE BELOW SAID LATERAL PORT AND ROTATABLE BY FLUDS FLOWING THROUGH SAID TURBINE PASSAGE; ROTOR MEANS MOUNTED IN SAID TURBINE PASSAGE ABOVE THE INNER END OF SAID LATERAL PORT AND OUT OF THE PATH OF FLOW OF FLUIDS THROUGH SAID TURBINE PASSAGE, SAID ROTOR MEANS BEING ROTATABLE BY SAID TURBINE AND HAVING A MAGNET MOVABLE ABOUT THE AXIS OF ROTATION OF SAID ROTOR MEANS; A PAIR OF SWITCHES CARRIED BY SAID HOUSING ADJACENT SAID ROTOR MEANS AND SPACED FROM EACH OTHER ABOUT THE AXIS OF ROTATION OF SAID ROTOR MEANS, THE DISTANCES BETWEEN THE TWO SWITCHES ABOUT THE AXIS OF ROTATON OF SAID ROTOR MEANS BEING UNEQUAL, SAID SWITCHES BEING CLOSABLE SUCCESSIVELY BY THE MAGNETIC FIELD OF SAID MAGNET DURING EACH ROTATION OF SAID ROTOR MEANS FOR PROVIDING SIGNALS INDICATING THE RATE OF FLOW OF FLUIDS
References Cited (Backward Citations)
US2593285A
Cited
US2589606A
Cited
US2822688A
Cited
US2856006A
Cited
US2935615A
Cited
US3036460A
Cited
US3163038A
Cited
US3162738A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |