US3198009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass flowmeter
Assignee: FLOTRON Inc
•
Filing: 1962-12-26
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Granted: 1965-08-03
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Fishman Bernard
- 👤 Ryder Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:51
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/76; G01F1/78; G01F1/785
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A MASS FLOWMETER ADAPTED TO MEASURE THE MASS FLOW RATE OF LIQUID PASSING THERETHROUGH COMPRISING A CONDUIT, MEANS DEFINING TWO ORIFICES HAVING LIKE CROSS-SECTIONS SMALLER THAN THE CROSS-SECTION OF SAID CONDUIT SPACED ALONG THE PATH OF FLOW WITHIN THE CONDUIT AND COAXIAL THEREWITH, A MEANS FOR MEASURING THE DIFFERENTIAL IN PRESSURE HEAD ACROSS EACH OF SAID ORIFICES AND MEANS CONNECTED TO SAID CONDUIT FOR PUMPING A PORTION OF THE CONDUIT FLOW AROUND EACH ORIFICE.
Claim 2
Dependent Claim
74 words
A MASS FLOWMETER ADAPTED TO MEASURE THE MASS FLOW RATE OF LIQUID PASSING THERETHROUGH COMPRISING A CONDUIT, MEANS DEFINING TWO ORIFICES HAVING LIKE CROSS-SECTIONS SMALLER THAN THE CROSS-SECTION OF SAID CONDUIT SPACED ALONG THE PATH OF FLOW WITHIN THE CONDUIT AND COAXIAL THEREWITH, A MEANS FOR MEASURING THE DIFFERENTIAL IN PRESSURE HEAD ACROSS EACH OF SAID ORIFICES AND MEANS CONNECTED TO SAID CONDUIT FOR PUMPING A PORTION OF THE CONDUIT FLOW AROUND EACH ORIFICE.
References Cited (Backward Citations)
US2660386A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-02 | 1969-02-01 | 1969-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-02 | 1973-02-01 | 1973-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-02 | 1977-02-01 | 1977-08-03 | $7700.00 | Window Closed / Lapsed |