US3275018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for measuring and controlling the concentration of rolling oil
Assignee: United States Steel Corp
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Filing: 1963-02-15
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Granted: 1966-09-27
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Expires: 1983-02-15
Abstract
No abstract record available.
Inventors
- 👤 William L Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:58
CPC Classifications
B; B21; B21B; B21B45/00; B21B45/02; B21B45/0269; B21B45/029; B21B45/0296; G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223; Y; Y02; Y02P; Y02P70/00; Y02P70/10; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0324; Y10T137/0329; Y10T137/034; Y10T137/2496; Y10T137/2499; Y10T137/2506
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE COMBINATION WITH A SYSTEM FOR CIRCULATING A QUANTITY OF TWO NONMISCIBLE LIQUIDS OF SUBSTANTIALLY DIFFERENT DIELECTRIC CONSTANTS, OF A FIRST CHAMBER IN SAID SYSTEM THROUGH WHICH SAID LIQUIDS CIRCULATE CONTINUOUSLY AND HAVING CAPACITOR ELEMENTS THEREIN, A SECOND CHAMBER HAVING CAPACITOR ELEMENTS THEREIN, MEANS FOR ALTERNATELY CONNECTING SAID SECOND CHAMBER TO SAID SYSTEM AND ISOLATING IT THEREFROM, A BRIDGE CIRCUIT INCLUDING THE CAPACITY OF THE LIQUID BETWEEN THE ELEMENTS OF SAID FIRST CHAMBER, AND
Claim 2
Dependent Claim
74 words
THE COMBINATION WITH A SYSTEM FOR CIRCULATING A QUANTITY OF TWO NONMISCIBLE LIQUIDS OF SUBSTANTIALLY DIFFERENT DIELECTRIC CONSTANTS, OF A FIRST CHAMBER IN SAID SYSTEM THROUGH WHICH SAID LIQUIDS CIRCULATE CONTINUOUSLY AND HAVING CAPACITOR ELEMENTS THEREIN, A SECOND CHAMBER HAVING CAPACITOR ELEMENTS THEREIN, MEANS FOR ALTERNATELY CONNECTING SAID SECOND CHAMBER TO SAID SYSTEM AND ISOLATING IT THEREFROM, A BRIDGE CIRCUIT INCLUDING THE CAPACITY OF THE LIQUID BETWEEN THE ELEMENTS OF SAID FIRST CHAMBER, AND
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |