US3377553A
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Moisture content determining device having a pressure-operated capacitor member
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1966-07-20
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Granted: 1968-04-09
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Expires: 1986-07-20
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 04:17
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)
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 |