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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
•
Filing: 1960-04-01
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Granted: 1963-01-15
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Expires: 1980-04-01
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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 20:58
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)

US1912188A Cited
US2345465A Cited
US2890406A Cited

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

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