US3462353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reference electrodes of particular utility in anodic corrosion protection systems
Assignee: ConocoPhillips Co
•
Filing: 1966-03-02
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Granted: 1969-08-19
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Expires: 1986-03-02
Abstract
No abstract record available.
Inventors
- 👤 Richard L Every
- 👤 William P Banks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:57
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/005; C23F13/02; C23F13/04; C25; C25B; C25B11/00; C25B11/04; C25B11/042; C25B11/046; G; G01; G01N; G01N17/00; G01N17/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1917991A
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US2079840A
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US3208925A
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US3141835A
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US3141840A
Cited
US3208928A
Cited
US3216916A
Cited
US3345278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |