Patent US2913384A successfully refreshed from Google Patents.
US2913384A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum anodes
Assignee: Reynolds Metals Co
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Filing: 1957-11-20
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Granted: 1959-11-17
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Expires: 1977-11-20
Abstract
No abstract record available.
Inventors
- 👤 Staley John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:48
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/12; C23F13/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
77 words
THE METHOD OF CATHODICALLY PROTECTING A FERROUS METAL STRUCTURE IN CONTACT WITH A MEDIUM CORROSIVE THERETO WHICH COMPRISES CONNECTING TO SAID METAL STRUCTURE AN ALUMINOUS SACRIFICIAL ANODE AND IMMERSING SAID ANODE IN SAID CORROSIVE MEDIUM, SAID ANODE COMPRISING ALUMINUM BASE ALLOY WHOSE REMAINING CONSITTUENTS CONSIST ESSENTIALLY OF FROM THE 2 TO 8 PERCENT OF ZINC AND FROM ABOUT 0.5 TO 3.5 PERCENT OF AN AUXIALLY METAL SELECTED FROM THE GROUP CONSISTING OF IRON, CHROMIUM, NICKEL AND MANGANESE.
References Cited (Backward Citations)
CH230088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |