Patent US3134685A successfully refreshed from Google Patents.
US3134685A
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Method of aluminum coating a ferrous base with a molten solution of aluminum in magnesium
Assignee: Standard Oil Co
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Filing: 1961-09-25
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Granted: 1964-05-26
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Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Dravnieks Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:29
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/18; C23C10/20; C23C10/22; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/1216; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12757
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE METHOD OF IMPREGNATING A SOLID FERROUS BASE METAL WITH A CONTROLLED AMOUNT OF ALUMINUM WHICH METHOD COMPRISES CONTACTING A SURFACE OF SAID BASE METAL, FREE OF SCALE, WITH A LIQUID SOLUTION OF ALUMINUM IN MAGNESIUM AT A TEMPERATURE BETWEEN ABUT 850*F. AND ABOUT 2150*F. FOR AT LEAST ABOUT ONE HOUR, SAID LIQUID SOLUTION CONTAINING BETWEEN ABOUT 0.1 AND 20 ATOMIC PERCENT ALUMINUM.
Claim 2
Independent Claim
63 words
THE METHOD OF IMPREGNATING A SOLID FERROUS BASE METAL WITH A CONTROLLED AMOUNT OF ALUMINUM WHICH METHOD COMPRISES CONTACTING A SURFACE OF SAID BASE METAL, FREE OF SCALE, WITH A LIQUID SOLUTION OF ALUMINUM IN MAGNESIUM AT A TEMPERATURE BETWEEN ABUT 850*F. AND ABOUT 2150*F. FOR AT LEAST ABOUT ONE HOUR, SAID LIQUID SOLUTION CONTAINING BETWEEN ABOUT 0.1 AND 20 ATOMIC PERCENT ALUMINUM.
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) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |