US3073341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water softener control
Assignee: Individual
•
Filing: 1961-02-23
•
Granted: 1963-01-15
•
Expires: 1981-02-23
Abstract
No abstract record available.
Inventors
- 👤 Schernekau Gustav Adolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:48
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/42; Y; Y10; Y10T; Y10T137/00; Y10T137/4238; Y10T137/4245; Y10T137/4252; Y10T137/4259; Y10T137/8593; Y10T137/877; Y10T137/87708; Y10T137/87716; Y10T137/87917; Y10T137/87981; Y10T137/88062
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
207 words
A CONTROL COMPRISING A CENTRAL ELEMENT HAVING A PLURALITY OF PASSAGES THERETHROUGH, A PAIR OF FURTHER ELEMENTS HAVING SAID CENTRAL ELEMENT THEREBETWEEN, GASKETS RECEIVED BETWEEN SAID CENTRAL ELEMENT AND SAID FURTHER ELEMENTS AND COVERING THE OPENINGS OF SAID PASSAGES, AND VALVES RECIPROCABLY CARRIED BY SAID FURTHER ELEMENTS, SAID VALVES INCLUDING CLOSURE PORTIONS FORMED IN SAID GASKETS, SAID CENTRAL ELEMENT HAVING IDENTATIONS JOINING SAID PASSAGES AT THEIR OPENINGS, SAID VALVE BEING RECIPROCAL UPON SAID FURTHER ELEMENTS TO POSITIONS WHEREIN THE CLOSURE PORTIONS OF SAID VALVE ENGAGE THE PORTIONS OF SAID CENTRAL ELEMENT SURROUNDING SAID PASSAGE OPENINGS TO CLOSE AND OPEN THE OPENINGS OF SAID PASSAGES TO CUT OFF FLOW BETWEEN SAID INDENTATIONS AND PASSAGES, A PAIR OF CAM WHEELS ROTATABLY MOUNTED ABOUT AN AXIS ON THE OUTSIDE OF SAID ELEMENTS WITH SAID ELEMENTS THEREBETWEEN, EACH CAM WHEEL HAVING A PLURALITY OF CIRCULAR CAM TRACKS ENGAGING SAID VALVES, SAID CAM TRACKS FACING INWARDLY, HAVING VARYING DEPTH ALONG THEIR LENGTH AND BEING CONCENTRIC WITH THE AXIS OF ROTATION OF SAID CAM WHEELS WHEREBY ROTATON OF SAID CAM WHEELS MOVES SAID VALVES, AND MEANS FOR SUPPLYING LIQUID UNDER PRESSURE TO SAID PASSAGES TO FORCE SAID VALVES TO OPEN SAID PASSAGES WHEN SAID VALVES ARE NOT HELD CLOSED BY SAID CAM TRACKS.
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |