US3311125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow-responsive valve for supplying pressure signal
Assignee: Bennett Respiration Products Inc
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Filing: 1964-07-20
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Granted: 1967-03-28
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Noel F Beasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:44
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/10; A61M16/14; A61M16/16; A61M16/20; F; F15; F15B; F15B13/00; A61M15/00; A61M15/0091; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/265; Y10T137/2657; Y10T137/8158; Y10T137/8326
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A VALVE COMPRISING: A VALVE BODY; MEANS ON SAID BODY FORMING INLET, OUTLET AND SIGNAL PASSAGES; MEANS ON SAID BODY FORMING A PRIMARY FLOW PATH BETWEEN SAID INLET AND OUTLET PASSAGES; MEANS ON SAID BODY FORMING A SECONDARY FLOW PATH BETWEEN SAID INLET AND SIGNAL PASSAGES; VALVE MEANS MOUNTED ON SAID BODY FOR MOVEMENT TOWARD AND AWAY FROM A LIMIT POSITION AND COOPERABLE THEREWITH TO PROVIDE A VARIABLE ORIFICE IN SAID PRIMARY FLOW PATH, THE SIZE OF SAID ORIFICE VARYING IN ACCORDANCE WITH MOVEMENT OF SAID VALVE MEANS; MEANS ON SAID BODY AND ASSOCIATED WITH SAID VALVE MEANS FOR BLOCKING FLOW THROUGH SAID SECONDARY FLOW PATH WHEN SAID VALVE MEANS IS IN ITS LIMIT POSITION;
Claim 2
Dependent Claim
115 words
A VALVE COMPRISING: A VALVE BODY; MEANS ON SAID BODY FORMING INLET, OUTLET AND SIGNAL PASSAGES; MEANS ON SAID BODY FORMING A PRIMARY FLOW PATH BETWEEN SAID INLET AND OUTLET PASSAGES; MEANS ON SAID BODY FORMING A SECONDARY FLOW PATH BETWEEN SAID INLET AND SIGNAL PASSAGES; VALVE MEANS MOUNTED ON SAID BODY FOR MOVEMENT TOWARD AND AWAY FROM A LIMIT POSITION AND COOPERABLE THEREWITH TO PROVIDE A VARIABLE ORIFICE IN SAID PRIMARY FLOW PATH, THE SIZE OF SAID ORIFICE VARYING IN ACCORDANCE WITH MOVEMENT OF SAID VALVE MEANS; MEANS ON SAID BODY AND ASSOCIATED WITH SAID VALVE MEANS FOR BLOCKING FLOW THROUGH SAID SECONDARY FLOW PATH WHEN SAID VALVE MEANS IS IN ITS LIMIT POSITION;
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |