US2935419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of aluminization and pretreating medium therefor
Assignee: American Mollerizing Corp
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Filing: 1956-08-27
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Granted: 1960-05-03
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Expires: 1976-08-27
Abstract
No abstract record available.
Inventors
- 👤 David W Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:20
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
A METHOD OF COATING A BASE METAL WITH A MOLTEN COATING METAL SELECTED FROM THE GROUP CONSISTING OF AN ALUMINUM AND AN ALUMINUM CONTAINING ALLOY WHICH COMPRISES: DIPPING THE METAL TO BE COATED INTO A MOLTEN PRETREATING BATH COMPRISING 97-99.99% OF MOLTEN HALIDE SALTS SELECTED FROM THE GROUP CONSISTING OF CHLORIDES, BROMIDES, IODIDES AND FLOURIDE SALTS, AND 0.01-3% OF HYDRIDE SELECTED FROM THE GROUP CONSISTING OF CALCUIM, BARUIM, AND LITHIUM HYDRIDE, TO THEREBY SUBSTANTIALLY COMPLETELY ELIMANATE THE OXIDES FROM THE SURFACE OF SAID METAL, AND PASSING SAID OXIDE-FREE METAL DIRECTLY INTO, AND THROUGH, AN INTERCONNECTING ALUMINUM-COATING LAYER TO THEREBY COAT SAID BASE METAL.
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) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |