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US2926111A
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Method of forming a protective coating on ferrous metal surfaces
Assignee: ADVENTURE CO-OP LLC
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Filing: 1958-04-03
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Granted: 1960-02-23
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Expires: 1978-04-03
Abstract
No abstract record available.
Inventors
- 👤 Donald G Schweitzer
- 👤 John R Weeks
- 👤 Otto F Kammerer
- 👤 David H Gurinsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:04
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/18; C23C10/20; C23C10/22; C23F; C23F11/00; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A METHOD OF INHIBITING THE CORROSION OF A FERROUS METAL CONTAINING CARBON BY HEAVY LIQUID METALS WHICH COMPRISES BRINGING ZIRCONIUM AND SAID CARBON INTO REACTIVE CONTACT TO FORM ON SAID METAL SURFACE AN ADHERENT LAYER OF ZIRCONIUM CARBIDE AND THEREAFTER MAINTAINING ZIRCONIUM DISSOLVED IN SAID HEAVY LIQUID METAL IN CONTACT WITH SAID METAL SURFACE.
Claim 2
Independent Claim
54 words
A METHOD OF INHIBITING THE CORROSION OF A FERROUS METAL CONTAINING CARBON BY HEAVY LIQUID METALS WHICH COMPRISES BRINGING ZIRCONIUM AND SAID CARBON INTO REACTIVE CONTACT TO FORM ON SAID METAL SURFACE AN ADHERENT LAYER OF ZIRCONIUM CARBIDE AND THEREAFTER MAINTAINING ZIRCONIUM DISSOLVED IN SAID HEAVY LIQUID METAL IN CONTACT WITH SAID METAL SURFACE.
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) | 1963-02-22 | 1963-08-24 | 1964-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-22 | 1967-08-24 | 1968-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-22 | 1971-08-24 | 1972-02-23 | $7700.00 | Window Closed / Lapsed |