Patent US3102175A successfully refreshed from Google Patents.
US3102175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water softener salt level indicator switch
Assignee: Individual
•
Filing: 1960-10-24
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Granted: 1963-08-27
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Expires: 1980-10-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward Eichenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:35
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/20; G01F23/205
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
A SALT LEVER INDICATOR SWITCH FOR A SALT DISSOLVING TANK, COMPRISING A BASE OF NON-CONDUCTING MATERIAL, A LEAF SPRING, MEANS HOLDING ONE END OF SAID SPRING ADJACENT SAID BASE, CONTACTS MOUNTED ON SAID BASE FOR CONTACTING SAID SPRING, MEANS MOUNTED ON ONE END OF SAID SPRING FOR ACTUATING SAID SWITCH, AND A COVER ON SAID SWITCH, SAID COVER HAVING AN OPENING TO PERMIT BRINE TO REACH THE SPRING AND THE CONTACTS AND CONNECT THEM ELECTRICALLY.
References Cited (Backward Citations)
US1608814A
Cited
US2171329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |