US2734526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
aagaard
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:21
CPC Classifications
G; G01; G01F; G01F1/00; G01F1/05; G01F1/34; G05; G05D; G05D7/00; G05D7/03; Y; Y10; Y10T; Y10T137/00; Y10T137/2278; Y10T137/2409; Y10T137/7722; Y10T137/7758; Y10T137/7759
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A DEVICE FOR CONTROLLING THE RATE OF FLOW OF A FLUID COMPRISING IN COMBINATION A CONDUIT FOR SAID FLUID PROVIDED WITH AN ORIFICE ON EITHER SIDE OF WHICH IS A SECTION OF RESILIENT DEFORMABLE TUBING; AN ELEMENT CONTACTING THE RESILIENT TUBING ON EITHER SIDE OF SAID ORIFICE A FLAPPER NOZZLE GAS VALVE OPERATIVELY CONNECTED TO SAID ELEMENT AND MOVABLE TO ACTUATE SAID GAS VALVE IN RESPONSE TO DIFFERENTIAL PRESSUE ACROSS SAID ORIFICE; A SEPARATE SOURCE OF GAS PRESSURE LEADING TO SAID GAS VALVE; SAID FLAPPER NOZZLE VALVE PRODUCING CHANGES IN THE GAS PRESSURE, AND MEANS RESPONSIVE TO SAID CHANGING GAS PRESSURE FOR DEFORMING SAID TUBING TO CONTROL SAID RATE OF FLOW.
Claim 2
Independent Claim
111 words
A DEVICE FOR CONTROLLING THE RATE OF FLOW OF A FLUID COMPRISING IN COMBINATION A CONDUIT FOR SAID FLUID PROVIDED WITH AN ORIFICE ON EITHER SIDE OF WHICH IS A SECTION OF RESILIENT DEFORMABLE TUBING; AN ELEMENT CONTACTING THE RESILIENT TUBING ON EITHER SIDE OF SAID ORIFICE A FLAPPER NOZZLE GAS VALVE OPERATIVELY CONNECTED TO SAID ELEMENT AND MOVABLE TO ACTUATE SAID GAS VALVE IN RESPONSE TO DIFFERENTIAL PRESSUE ACROSS SAID ORIFICE; A SEPARATE SOURCE OF GAS PRESSURE LEADING TO SAID GAS VALVE; SAID FLAPPER NOZZLE VALVE PRODUCING CHANGES IN THE GAS PRESSURE, AND MEANS RESPONSIVE TO SAID CHANGING GAS PRESSURE FOR DEFORMING SAID TUBING TO CONTROL SAID RATE OF FLOW.
References Cited (Backward Citations)
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Cited
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US2223712A
Cited
US2268549A
Cited
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Cited
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Cited
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Cited
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Cited
US2517820A
Cited
US2588212A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |