US3071001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear flow meter
Assignee: NAT INSTR LAB Inc
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Filing: 1960-02-16
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Granted: 1963-01-01
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Expires: 1980-02-16
Abstract
No abstract record available.
Inventors
- 👤 Goldsmith Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:27
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G01F1/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A LINEAR FLOW METER COMPRISING AN ELONGATED HOUSING HAVING A FLUID INLET AND A FLUID OUTLET AT THE ENDS THEREOF, AN ELONGATED FLOW RESTRICTOR POSITIONED INSIDE SAID HOUSING, AND A PAIR OF SPACED APART PRESSURE TAPS POSITIONED ON SAID HOUSING INTERMEDIATE THE ENDS THEREOF, SAID TAPS BEING ADAPTED FOR CONNECTION TO AN INDICATING INSTRUMENT BETWEEN SAID TAPS, SAID TAPS BEING DISPOSED ENTIRELY OUTSIDE THE FLOW RESTRICTOR ONE ON EACH SIDE THEREOF, EACH TAP BEING IN THE FORM OF A HOLLOW CYLINDER EXTENDING CROSS-WISE OF THE FLUID FLOW PATH THROUGH SAID HOUSING, EACH CYLINDER HAVING THEREIN AT LEAST ONE
Claim 2
Dependent Claim
98 words
A LINEAR FLOW METER COMPRISING AN ELONGATED HOUSING HAVING A FLUID INLET AND A FLUID OUTLET AT THE ENDS THEREOF, AN ELONGATED FLOW RESTRICTOR POSITIONED INSIDE SAID HOUSING, AND A PAIR OF SPACED APART PRESSURE TAPS POSITIONED ON SAID HOUSING INTERMEDIATE THE ENDS THEREOF, SAID TAPS BEING ADAPTED FOR CONNECTION TO AN INDICATING INSTRUMENT BETWEEN SAID TAPS, SAID TAPS BEING DISPOSED ENTIRELY OUTSIDE THE FLOW RESTRICTOR ONE ON EACH SIDE THEREOF, EACH TAP BEING IN THE FORM OF A HOLLOW CYLINDER EXTENDING CROSS-WISE OF THE FLUID FLOW PATH THROUGH SAID HOUSING, EACH CYLINDER HAVING THEREIN AT LEAST ONE
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |