US2689218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic water softener
Assignee: American Water Softener Co
•
Filing: 1949-02-04
•
Granted: 1954-09-14
•
Expires: 1969-02-04
Abstract
No abstract record available.
Inventors
- 👤 Harvey C Waugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:18
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/42; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86389; Y10T137/86405
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
154 words
IN A WATER SOFTENING MECHANISM, A SOFTENER, DRAIN AND A CONNECTION TO A SOURCE OF BRINE, IN COMBINATION WITH VALVE MEANS HAVING PORTS FOR ONE POSITION DIRECTING WATER FROM THE RAW WATER CONNECTION THROUGH THE SOFTENER TO THE SERVICE CONNECTION, IN A SECOND POSITION DIRECTING WATER IN REVERSE THROUGH THE SOFTENER TO THE DRAIN WHILE CUTTING OFF THE SERVICE CONNECTION AND IN A THIRD POSITION DIRECTING BRINE FROM THE BRINE SOURCE THROUGH THE SOFTENER TO THE DRAIN WHILE CUTTING OFF THE SERVICE CONNECTION, A WATER METER RESPONSIVE TO THE FLOW OF WATER THROUGH THE SOFTENER IN SOFTENING, ELECTRIC CONTACT MEANS ON THE WATER METER FOR MAKING CONTACT AT INTERVALS CORRESPONDING TO THE FLOW OF WATER THROUGH THE METER, AN ELECTRIC COUNTER FOR COUNTING A PREDETERMINED NUMBER OF IMPULSES RESULTING FROM CLOSING OF THE ELECTRIC CONTACT MEANS, ELECTRICALLY OPERATED MEANS COOPERATING WITH THE VALVE MEANS AND PUT IN OPERATION BY THE COUNTER WHEN THE PREDE-
Claim 2
Dependent Claim
154 words
IN A WATER SOFTENING MECHANISM, A SOFTENER, DRAIN AND A CONNECTION TO A SOURCE OF BRINE, IN COMBINATION WITH VALVE MEANS HAVING PORTS FOR ONE POSITION DIRECTING WATER FROM THE RAW WATER CONNECTION THROUGH THE SOFTENER TO THE SERVICE CONNECTION, IN A SECOND POSITION DIRECTING WATER IN REVERSE THROUGH THE SOFTENER TO THE DRAIN WHILE CUTTING OFF THE SERVICE CONNECTION AND IN A THIRD POSITION DIRECTING BRINE FROM THE BRINE SOURCE THROUGH THE SOFTENER TO THE DRAIN WHILE CUTTING OFF THE SERVICE CONNECTION, A WATER METER RESPONSIVE TO THE FLOW OF WATER THROUGH THE SOFTENER IN SOFTENING, ELECTRIC CONTACT MEANS ON THE WATER METER FOR MAKING CONTACT AT INTERVALS CORRESPONDING TO THE FLOW OF WATER THROUGH THE METER, AN ELECTRIC COUNTER FOR COUNTING A PREDETERMINED NUMBER OF IMPULSES RESULTING FROM CLOSING OF THE ELECTRIC CONTACT MEANS, ELECTRICALLY OPERATED MEANS COOPERATING WITH THE VALVE MEANS AND PUT IN OPERATION BY THE COUNTER WHEN THE PREDE-
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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) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |