US3213882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic control valve
Assignee: Individual
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Filing: 1965-02-08
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Granted: 1965-10-26
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 David L Beatty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:22
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F16; F16K; F16K7/00; F16K7/02; F16K7/04; F16K7/07; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87153; Y10T137/87161; Y10T137/87169; Y10T137/87233; Y10T137/87241
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
192 words
A PNEUMATIC CONTROL VALVE COMPRISING: (A) A BODY MEMBER HAVING THE FORM OF A CAPSULE INCLUDING A PAIR OF OPPOSED, GENERALLY PARALLEL SPACED APART WALLS AT LEAST ONE OF WHICH IS FORMED OF RESILIENT MATERIAL WHEREBY TO BE DEFLECTABLE TOWARD THE OTHER OF SAID WALLS BY MANUAL PRESSURE APPLIED ACROSS THE DISTAL SIDES OF SAID WALLS, AND HAVING AN INLET AND AN OUTLET FOR AIR, (B) A CONDUIT INTERCONNECTING SAID INLET AND SAID OUTLET INTERNALLY OF SID CAPSULE, (C) A VALVE CARRIED IN SAID CAPSULE AND CONTROLLING THE PASSAGE OF AIR THROUGH SAID CONDUIT, (D) VALVE OPERATING MEMBERS CARRIED BY SAID WALLS AND BEING OPERABLE BY SEPARATION OF SAID WALLS TO CLOSE SAID VALVE AND OPERABLE BY MOVEMENT OF SAID WALLS TOWARD EACH OTHER TO OPEN SAID VALVE, SAID WALLS BEING RESILIENTLY BIASED NORMALLY TO CLOSE SAID VALVE, (E) A PRESSURE CHAMBER DISPOSED IN SAID CAPSULE AND INTERCONNECTED IN SAID CONDUIT INTERMEDIATE SAID VALVE AND SAID OUTLET, AND (F) OPERATING MEANS MOVABLY ASSOCIATED WITH SAID PRESSURE CHAMBER AND MOVABLE RESPONSIVELY TO PRESSURE CHANGES IN SAID CHAMBER RESULTING FROM THE OPENING OF SAID VALVE TO URGE SAID WALLS APART TO CLOSE SAID VALVE.
Claim 2
Dependent Claim
192 words
A PNEUMATIC CONTROL VALVE COMPRISING: (A) A BODY MEMBER HAVING THE FORM OF A CAPSULE INCLUDING A PAIR OF OPPOSED, GENERALLY PARALLEL SPACED APART WALLS AT LEAST ONE OF WHICH IS FORMED OF RESILIENT MATERIAL WHEREBY TO BE DEFLECTABLE TOWARD THE OTHER OF SAID WALLS BY MANUAL PRESSURE APPLIED ACROSS THE DISTAL SIDES OF SAID WALLS, AND HAVING AN INLET AND AN OUTLET FOR AIR, (B) A CONDUIT INTERCONNECTING SAID INLET AND SAID OUTLET INTERNALLY OF SID CAPSULE, (C) A VALVE CARRIED IN SAID CAPSULE AND CONTROLLING THE PASSAGE OF AIR THROUGH SAID CONDUIT, (D) VALVE OPERATING MEMBERS CARRIED BY SAID WALLS AND BEING OPERABLE BY SEPARATION OF SAID WALLS TO CLOSE SAID VALVE AND OPERABLE BY MOVEMENT OF SAID WALLS TOWARD EACH OTHER TO OPEN SAID VALVE, SAID WALLS BEING RESILIENTLY BIASED NORMALLY TO CLOSE SAID VALVE, (E) A PRESSURE CHAMBER DISPOSED IN SAID CAPSULE AND INTERCONNECTED IN SAID CONDUIT INTERMEDIATE SAID VALVE AND SAID OUTLET, AND (F) OPERATING MEANS MOVABLY ASSOCIATED WITH SAID PRESSURE CHAMBER AND MOVABLE RESPONSIVELY TO PRESSURE CHANGES IN SAID CHAMBER RESULTING FROM THE OPENING OF SAID VALVE TO URGE SAID WALLS APART TO CLOSE SAID VALVE.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |