US3333699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Main control valve for liquid conditioning apparatus
Assignee: SOUTHERN CALIFORNIA ENGINEERIN
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Filing: 1964-08-20
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Granted: 1967-08-01
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Expires: 1984-08-20
Abstract
No abstract record available.
Inventors
- 👤 Willis H Bliss
- 👤 Jr Paul G Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:49
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/688; F; F16; F16K; F16K11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
231 words
IN A LIQUID CONDITIONING APPARATUS EMBODYING A CONDITIONING TANK, A REGENERANT RESERVOIR, A MAIN CONTROL VALVE HOUSING HAVING A MULTIPLE OF PORTS INCLUDING: (A) AN INTAKE PORT CONNECTED TO A SOURCE OF LIQUID SUPPLY UNDER PRESSURE; (B) DISCHARGE PORT CONNECTED TO A DELIVERY CONDUIT; (C) A PORT CONNECTED TO A DRAIN PIPE; (D) A PORT CONNECTED TO THE UPPER END OF SAID TANK; AND (E) A PORT CONNECTING WITH SAID REGENERANT RESERVOIR; (F) A CONDUIT LEADING FROM THE LOWER END OF SAID HOUSING TO SAID CONDITIONING TANK; SAID HOUSING HAVING A CHAMBER FROM WHICH SAID LAST NAMED PORT LEADS, A CONDUIT CONNECTING SAID CHAMBER TO THE LOWER END OF SAID TANK, AND A RECIPROCAL MAIN CENTRAL SPINDLE VALVE (D) IN SAID HOUSING ADAPTED TO BE DISPOSED IN EITHER AN UPPER OR LOWER POSITION, SAID VALVE WHEN IN ITS LOWER POSITION CLOSING THE PORT CONNECTED TO SAID DRAIN PIPE AND OPENING SAID INTAKE PORT TO THE PORT CONNECTED TO THE UPPER END OF SAID TANK AND CLOSING SAID INTAKE PORT TO SAID DISCHARGE PORT WHILE OPENING SAID DISCHARGE PORT TO SAID CHAMBER AND THE CONDUIT CONNECTING SAID CHAMBER TO THE LOWER END OF SAID TANK, AND SAID VALVE WHEN IN ITS UPPER POSITION OPENING THE PORT CONNECTED TO THE DRAIN PIPE TO THE PORT CONNECTED TO THE UPPER END OF SAID TANK, AND OPENING SAID INTAKE PORT TO SAID DISCHARGE PORT, AN
Claim 2
Dependent Claim
231 words
IN A LIQUID CONDITIONING APPARATUS EMBODYING A CONDITIONING TANK, A REGENERANT RESERVOIR, A MAIN CONTROL VALVE HOUSING HAVING A MULTIPLE OF PORTS INCLUDING: (A) AN INTAKE PORT CONNECTED TO A SOURCE OF LIQUID SUPPLY UNDER PRESSURE; (B) DISCHARGE PORT CONNECTED TO A DELIVERY CONDUIT; (C) A PORT CONNECTED TO A DRAIN PIPE; (D) A PORT CONNECTED TO THE UPPER END OF SAID TANK; AND (E) A PORT CONNECTING WITH SAID REGENERANT RESERVOIR; (F) A CONDUIT LEADING FROM THE LOWER END OF SAID HOUSING TO SAID CONDITIONING TANK; SAID HOUSING HAVING A CHAMBER FROM WHICH SAID LAST NAMED PORT LEADS, A CONDUIT CONNECTING SAID CHAMBER TO THE LOWER END OF SAID TANK, AND A RECIPROCAL MAIN CENTRAL SPINDLE VALVE (D) IN SAID HOUSING ADAPTED TO BE DISPOSED IN EITHER AN UPPER OR LOWER POSITION, SAID VALVE WHEN IN ITS LOWER POSITION CLOSING THE PORT CONNECTED TO SAID DRAIN PIPE AND OPENING SAID INTAKE PORT TO THE PORT CONNECTED TO THE UPPER END OF SAID TANK AND CLOSING SAID INTAKE PORT TO SAID DISCHARGE PORT WHILE OPENING SAID DISCHARGE PORT TO SAID CHAMBER AND THE CONDUIT CONNECTING SAID CHAMBER TO THE LOWER END OF SAID TANK, AND SAID VALVE WHEN IN ITS UPPER POSITION OPENING THE PORT CONNECTED TO THE DRAIN PIPE TO THE PORT CONNECTED TO THE UPPER END OF SAID TANK, AND OPENING SAID INTAKE PORT TO SAID DISCHARGE PORT, AN
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |