US3208476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control valves for fluid conditioning systems
Assignee: Clack Corp
•
Filing: 1961-11-01
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Granted: 1965-09-28
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Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Willis E Clack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:18
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/006; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/87265; Y10T137/87338; Y10T137/87362; Y10T137/8737; Y10T137/87571; Y10T137/87587; Y10T137/87643
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
AN AUTOMATIC CONTROL VALVE ASSEMBLY FOR A FLUID CONDITIONING SYSTEM COMPRISING, A MAIN BODY PORTION HAVING AN INLET OPENING, AN OUTLET OPENING, A DRAIN OPENING, ANDA DISTRIBUTION SECTION, SAID DISTRIBUTION SECTION HAVING AN INLET CHAMBER IN COMMUNICATION WITH SAID INLET OPENING, AN OUTLET CHAMBER IN COMMUNICATION WITH SAID OUTLET OPENING, A DRAIN CHAMBER IN COMMUNICATION WITH SAID DRAIN OPENING, AND AN INTERMEDIATE CHAMBER IN COMMUNICATION WITH SAID INLET CHAMBER AND SAID DRAIN CHAMBER, BYPASS MEANS BETWEEN SAID INLET CHAMBER AND SAID OUTLET CHAMBER, VALVE MEANS TO SELECTIVELY PREVENT COMMUNICATION OF SAID INTERMEDIATE CHAMBER WITH SAID INLET CHAMBER AND WITH SAID DRAIN CHAMBER, ACTUATOR MEANS TO OPERATE SAID BYPASS MEANS AND SAID VALVE MEANS, A WATER CONDITIONING OUTLET IN COMMUNICATION WITH SAID INTERMEDIATE CHAMBER, A CONDITIONED WATER INLET CONNECTED TO SAID OUTLET CHAMBER BY MEANS OF A CHECK VALVE CHAMBER, CHECK VALVE MEANS LOCATED WITHIN SAID CHECK VALVE CHAMBER, INJECTOR MEANS HAVING AN INLET PASSAGE IN
Claim 2
Dependent Claim
155 words
AN AUTOMATIC CONTROL VALVE ASSEMBLY FOR A FLUID CONDITIONING SYSTEM COMPRISING, A MAIN BODY PORTION HAVING AN INLET OPENING, AN OUTLET OPENING, A DRAIN OPENING, ANDA DISTRIBUTION SECTION, SAID DISTRIBUTION SECTION HAVING AN INLET CHAMBER IN COMMUNICATION WITH SAID INLET OPENING, AN OUTLET CHAMBER IN COMMUNICATION WITH SAID OUTLET OPENING, A DRAIN CHAMBER IN COMMUNICATION WITH SAID DRAIN OPENING, AND AN INTERMEDIATE CHAMBER IN COMMUNICATION WITH SAID INLET CHAMBER AND SAID DRAIN CHAMBER, BYPASS MEANS BETWEEN SAID INLET CHAMBER AND SAID OUTLET CHAMBER, VALVE MEANS TO SELECTIVELY PREVENT COMMUNICATION OF SAID INTERMEDIATE CHAMBER WITH SAID INLET CHAMBER AND WITH SAID DRAIN CHAMBER, ACTUATOR MEANS TO OPERATE SAID BYPASS MEANS AND SAID VALVE MEANS, A WATER CONDITIONING OUTLET IN COMMUNICATION WITH SAID INTERMEDIATE CHAMBER, A CONDITIONED WATER INLET CONNECTED TO SAID OUTLET CHAMBER BY MEANS OF A CHECK VALVE CHAMBER, CHECK VALVE MEANS LOCATED WITHIN SAID CHECK VALVE CHAMBER, INJECTOR MEANS HAVING AN INLET PASSAGE IN
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-27 | 1969-03-29 | 1969-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-27 | 1973-03-29 | 1973-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-27 | 1977-03-29 | 1977-09-28 | $7700.00 | Window Closed / Lapsed |