US3033775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anode for cathodic protection
Assignee: Pechiney SA
•
Filing: 1959-07-31
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Granted: 1962-05-08
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Expires: 1979-07-31
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Chevigny
- 👤 Richaud Henri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:28
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/12; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
APPARATUS FOR THE CATHODIC PROTECTION OF AN IRON DEVICE IMMERSED IN SALT WATER, COMPRISING AN ANODE, A SOURCE OF DIRECT CURRENT ELECTRICITY CONNECTED TO THE DEVICE AT ITS NEGATIVEE TERMINAL AND TO THE ANODE AT ITS POSITIVE TERMINAL, THE ANODE CONSISTING OF AN ALLOY OF TITANIUM AND A METAL SELECTEED FROM THE CLASS CONSISTING OF MANGANESE, COBALT, NICKEL, ZINC, AND TIN, THE PROPORTION OF THE TOTAL OF THE SAID METALS BEING FROM 0.5% TO 100% BY
Claim 2
Dependent Claim
76 words
APPARATUS FOR THE CATHODIC PROTECTION OF AN IRON DEVICE IMMERSED IN SALT WATER, COMPRISING AN ANODE, A SOURCE OF DIRECT CURRENT ELECTRICITY CONNECTED TO THE DEVICE AT ITS NEGATIVEE TERMINAL AND TO THE ANODE AT ITS POSITIVE TERMINAL, THE ANODE CONSISTING OF AN ALLOY OF TITANIUM AND A METAL SELECTEED FROM THE CLASS CONSISTING OF MANGANESE, COBALT, NICKEL, ZINC, AND TIN, THE PROPORTION OF THE TOTAL OF THE SAID METALS BEING FROM 0.5% TO 100% BY
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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |