US3234957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable, metered directional flow control arrangement
Assignee: Fawick Corp
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Filing: 1963-04-22
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Granted: 1966-02-15
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Expires: 1983-04-22
Abstract
No abstract record available.
Inventors
- 👤 John D Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:40
CPC Classifications
F; F15; F15B; F15B13/00; F15B13/02; F15B13/04; F15B13/0416; F15B13/0417; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2574; Y10T137/2579; Y10T137/2592; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/86582; Y10T137/86606; Y10T137/87169; Y10T137/87177
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A DIRECTIONAL FLOW CONTROL ARRANGEMENT FOR SELECTIVELY OPERATING A FLUID-OPERATED ACTUATOR MEANS AT A CONTROLLED SPEED COMPRISING: DIRECTIONAL VALVE MEANS HAVING PASSAGES FRO CONNECTION TO SAID ACTUATOR MEANS TO SELECTIVELY PASS FLUID TO AND FROM SAID ACTUATOR MEANS; ADJUSTABLE MEANS HAVING CONNECTIONS TO SAID DIRECTIONAL VALVE MEANS FOR SELECTIVELY ESTABLISHING A REDUCED FLOW OF INPUT FLUID TO SAID DIRECTIONAL VALVE MEANS AND FOR SELECTIVELY OPERATING SAID DIRECTIONAL VALVE MEANS TO ESTABLISH THE DIRECTION OF FLUID FLOWS THERETHROUGH; AND MEANS OPERATIVELY ASSOCIATED WITH SAID ADJUSTABLE MEANS TO REGULATE THE FLOW OF INPUT FLUID TO SAID DIRECTIONAL VALVE MEANS.
Claim 2
Dependent Claim
97 words
A DIRECTIONAL FLOW CONTROL ARRANGEMENT FOR SELECTIVELY OPERATING A FLUID-OPERATED ACTUATOR MEANS AT A CONTROLLED SPEED COMPRISING: DIRECTIONAL VALVE MEANS HAVING PASSAGES FRO CONNECTION TO SAID ACTUATOR MEANS TO SELECTIVELY PASS FLUID TO AND FROM SAID ACTUATOR MEANS; ADJUSTABLE MEANS HAVING CONNECTIONS TO SAID DIRECTIONAL VALVE MEANS FOR SELECTIVELY ESTABLISHING A REDUCED FLOW OF INPUT FLUID TO SAID DIRECTIONAL VALVE MEANS AND FOR SELECTIVELY OPERATING SAID DIRECTIONAL VALVE MEANS TO ESTABLISH THE DIRECTION OF FLUID FLOWS THERETHROUGH; AND MEANS OPERATIVELY ASSOCIATED WITH SAID ADJUSTABLE MEANS TO REGULATE THE FLOW OF INPUT FLUID TO SAID DIRECTIONAL VALVE MEANS.
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) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |