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US3377553A Expired / Lapsed US ⏱️ 0.0 years remaining

Moisture content determining device having a pressure-operated capacitor member

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1966-07-20
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Granted: 1968-04-09
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Expires: 1986-07-20
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Abstract

No abstract record available.

Inventors

  • 👤 James G Lillard
  • 👤 Arnold R Zubik

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 06:27
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 155 words
A SYSTEM FOR USE IN INDICATING THE MOISTURE CONTENT OF A PARTICULATE MATERIAL UNDER PRESSURE COMPRISING: WALL MEANS FORMING A CHAMBER WITH AN OPEN TOP FOR RECEIVING THE PARTICULATE MATERIAL; A PRESSURE-OPERATED COVER MEMBER MOVABLE HORIZONTALLY FROM A RETRACTED POSITION TO A POSITION TO CLOSE THE TOP OF THE CHAMBER, SAID COVER MEMBER AND A PORTION OF SAID CHAMBER CONSTITUTING A PORTION OF ONE PLATE OF A CAPACITOR; A HYDRAULIC PRESSURE-OPERATED MEMBER MOUNTED IN THE CHAMBER TO MOVE VERTICALLY WHICH SUPPORTS THE PARTICULATE MATERIAL AND APPLIES PRESSURE TO THE PARTICULATE MATERIAL WHEN ACTUATED; AN INSULATING DIELECTRIC MOUNTED ON THE PRESSURE-OPERATED MEMBER; A CAPACITOR PLATE MOUNTED ON THE INSULATING DIELECTRIC, THE DIMENSIONS OF THE CAPACITOR PLATE AND THE DIMENSIONS OF THE INSULATING DIELECTRIC BEING SUCH THAT THE CAPACITOR PLATE IS INSULATED FROM THE PRESSURE-OPERATED MEMBER; AND ELECTRICAL MEANS OPERATIVELY CONNECTED TO EACH OF SAID CAPACITOR PLATES FOR INDICATING THE CAPACITANCE OF THE PARTICULATE MATERIAL UNDER PRESSURE.
Claim 2
Independent Claim 155 words
A SYSTEM FOR USE IN INDICATING THE MOISTURE CONTENT OF A PARTICULATE MATERIAL UNDER PRESSURE COMPRISING: WALL MEANS FORMING A CHAMBER WITH AN OPEN TOP FOR RECEIVING THE PARTICULATE MATERIAL; A PRESSURE-OPERATED COVER MEMBER MOVABLE HORIZONTALLY FROM A RETRACTED POSITION TO A POSITION TO CLOSE THE TOP OF THE CHAMBER, SAID COVER MEMBER AND A PORTION OF SAID CHAMBER CONSTITUTING A PORTION OF ONE PLATE OF A CAPACITOR; A HYDRAULIC PRESSURE-OPERATED MEMBER MOUNTED IN THE CHAMBER TO MOVE VERTICALLY WHICH SUPPORTS THE PARTICULATE MATERIAL AND APPLIES PRESSURE TO THE PARTICULATE MATERIAL WHEN ACTUATED; AN INSULATING DIELECTRIC MOUNTED ON THE PRESSURE-OPERATED MEMBER; A CAPACITOR PLATE MOUNTED ON THE INSULATING DIELECTRIC, THE DIMENSIONS OF THE CAPACITOR PLATE AND THE DIMENSIONS OF THE INSULATING DIELECTRIC BEING SUCH THAT THE CAPACITOR PLATE IS INSULATED FROM THE PRESSURE-OPERATED MEMBER; AND ELECTRICAL MEANS OPERATIVELY CONNECTED TO EACH OF SAID CAPACITOR PLATES FOR INDICATING THE CAPACITANCE OF THE PARTICULATE MATERIAL UNDER PRESSURE.

References Cited (Backward Citations)

US2231035A Cited
US2520394A Cited
US2993168A Cited
US3005153A Cited
US3090004A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-09 1971-10-09 1972-04-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-09 1975-10-09 1976-04-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-09 1979-10-09 1980-04-09 $7700.00 Window Closed / Lapsed

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