Patent US3073772A successfully refreshed from Google Patents.
US3073772A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuously measuring the potential in a liquid and for simultaneously cleaning the measuring electrode
Assignee: Polymetron AG
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Filing: 1960-04-01
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Granted: 1963-01-15
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Expires: 1980-04-01
Abstract
No abstract record available.
Inventors
- 👤 Wirz Willy
- 👤 Jucker Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:56
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/28; G01N27/30; G01N27/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
APPARATUS FOR CONTINUOUSLY MEASURING THE POTENTIAL IN A LIQUID COMPRISING AN ELECTRODE STATIONARY IN SAID LIQUID, SAID ELECTRODE HAVING A DETERMINABLE SURFACE AREA, GRINDING MEANS OF ELECTRICALLY INSULATING INORGANIC MATERIAL FOR CLEANING SAID ELECTRODE, SAID GRINDING MEANS HAVING A SURFACE AREA WHICH IS LESS THAN THE SURFACE AREA OF THE ELECTRODE, MEANS COUPLED TO SAID GRINDING MEANS FOR CONTINUOUSLY ENGAGING THE SAME WITH SAID ELECTRODE, AND MEANS OPERATIVELY ASSOCIATED WITH SAID GRINDING MEANS TO MOVE THE SAME ALONG SAID ELECTRODE WITH SAID ELECTRODE MEASURING SAID POTENTIAL.
Claim 2
Dependent Claim
86 words
APPARATUS FOR CONTINUOUSLY MEASURING THE POTENTIAL IN A LIQUID COMPRISING AN ELECTRODE STATIONARY IN SAID LIQUID, SAID ELECTRODE HAVING A DETERMINABLE SURFACE AREA, GRINDING MEANS OF ELECTRICALLY INSULATING INORGANIC MATERIAL FOR CLEANING SAID ELECTRODE, SAID GRINDING MEANS HAVING A SURFACE AREA WHICH IS LESS THAN THE SURFACE AREA OF THE ELECTRODE, MEANS COUPLED TO SAID GRINDING MEANS FOR CONTINUOUSLY ENGAGING THE SAME WITH SAID ELECTRODE, AND MEANS OPERATIVELY ASSOCIATED WITH SAID GRINDING MEANS TO MOVE THE SAME ALONG SAID ELECTRODE WITH SAID ELECTRODE MEASURING SAID POTENTIAL.
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 |