US2707393A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for fluid flow determination
Assignee: Beta Corp
•
Filing: 1951-02-26
•
Granted: 1955-05-03
•
Expires: 1971-02-26
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward V Hardway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:50
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN COMBINATION IN AN APPARATUS FOR ACCURATELY MEASURING THE FLOW OF FLUID IN A CONDUIT WHEN SUCH FLOW IS CHARACTERIZED BY PULSATIONS WHICH HAVE A RELATIVELY HIGH FREQUENCY AS COMPARED WITH THE EFFECTIVE RATE OF CHARGE OF FLUID FLOW, AN INFERENTIAL HEAD FLOW METER INCLUDING A PRIMARY DEVICE AND A SECONDARY DEVICE, THE PRIMARY DEVICE BEING A RESTRICTION IN SAID CONDUIT ESTABLISHING A DIFFERENTIAL PRESSURE ACROSS THE RESTRICTION WHEN FLUID IS FLOWING IN THE CONDUIT, SAID DIFFERENTIAL PRESSURE HAVING A RELATIVELY STEADY COMPONENT AND A FLUCTUATING COM-
Claim 2
Dependent Claim
87 words
IN COMBINATION IN AN APPARATUS FOR ACCURATELY MEASURING THE FLOW OF FLUID IN A CONDUIT WHEN SUCH FLOW IS CHARACTERIZED BY PULSATIONS WHICH HAVE A RELATIVELY HIGH FREQUENCY AS COMPARED WITH THE EFFECTIVE RATE OF CHARGE OF FLUID FLOW, AN INFERENTIAL HEAD FLOW METER INCLUDING A PRIMARY DEVICE AND A SECONDARY DEVICE, THE PRIMARY DEVICE BEING A RESTRICTION IN SAID CONDUIT ESTABLISHING A DIFFERENTIAL PRESSURE ACROSS THE RESTRICTION WHEN FLUID IS FLOWING IN THE CONDUIT, SAID DIFFERENTIAL PRESSURE HAVING A RELATIVELY STEADY COMPONENT AND A FLUCTUATING COM-
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) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |