Patent US3376503A successfully refreshed from Google Patents.
US3376503A
Expired / Lapsed
US
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Roller electrode probe with capacitor shroud for electrical moisture testing instrument
Assignee: PENRIL CORP
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Filing: 1965-06-01
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Granted: 1968-04-02
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 John W Lundstrom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:23
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA673684A
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US2428700A
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US2573824A
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US2718620A
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US2782367A
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US2950436A
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US2992392A
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US3046479A
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US3284706A
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 |