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US3376501A
Expired / Lapsed
US
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Cell for determining the conductivity of liquids entrained in porous media
Assignee: Varian Medical Systems Inc
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Filing: 1966-12-09
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Granted: 1968-04-02
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Expires: 1986-12-09
Abstract
No abstract record available.
Inventors
- 👤 Peranio Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:29
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/04; G01N27/06; G01N27/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2636962A
Cited
US1807821A
Cited
US2122363A
Cited
US2083074A
Cited
US2922103A
Cited
US3028546A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-02 | 1971-10-02 | 1972-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-02 | 1975-10-02 | 1976-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-02 | 1979-10-02 | 1980-04-02 | $7700.00 | Window Closed / Lapsed |