US3248945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viscosity compensated turbine flow meter
Assignee: Rockwell Manufacturing Co
•
Filing: 1959-02-26
•
Granted: 1966-05-03
•
Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Karlby Henning
- 👤 Winston F Z Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:35
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/10; G01F1/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
IN A TURBINE METER, A TUBULAR HOUSING, MEANS WITHIN SAID HOUSING DEFINING WITH SAID HOUSING AN ANNULAR FLOW PATH AND COMPRISING AXIALLY ALIGNED CENTRAL UPSTREAM AND DOWNSTREAM CORE SECTIONS, A TURBINE ROTOR MOUNTED BETWEEN SAID CORE SECTIONS WITH ITS BLADES DISPOSED ACROSS THE ANNULAR FLOW PASSAGE AND JOURNALLED FOR ROTATION IN RESPONSE ONLY TO FLUID FLOW THROUGH SAID ANNULAR PASSAGE, MEANS ACTUATED BY SAID ROTOR FOR COUNTING THE ROTOR REVOLUTIONS TO THEREBY REGISTER THE QUANTITY OF FLUID FLOWING THROUGH SAID HOUSING, AND A VISCOSITY COMPENSATION DE-
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |