Patent US3295199A successfully refreshed from Google Patents.
US3295199A
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Process of making soft, ductile, galvanized material
Assignee: Inland Steel Co
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Filing: 1964-04-07
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Granted: 1967-01-03
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Expires: 1984-04-07
Abstract
No abstract record available.
Inventors
- 👤 Carlton F Schrader
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:57
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/52; C23; C23C; C23C2/00; C23C2/003; C23C2/0034; C23C2/00342; C23C2/00344; C23C2/0038; C23C2/004; C23C2/02; C23C2/022; C23C2/0222; C23C2/0224; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T29/49986
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS FOR PRODUCING A SOFT, DUCTILE, GALVANIZED FLAT MATERIAL, SAID PROCESS COMPRISING: ROLLING A BASE FROM MILD STEEL CONTAINING TITANIUM IN AN AMOUNT BETWEEN FOUR AND NINE TIMES THE CARBON CONTENT OF THE STEEL; EXPOSING SAID BASE TO AN OXIDIZING ATMOSPHERE TO PRODUCE A THIN FILM OF OXIDE ON THE SURFACE OF THE BASE; THEN EXPOSING SAID BASE TO A REDUCING ATMOSPHERE AT A TEMPERATURE IN EXCESS OF ABOUT 1650*F., WHEREBY LAYER OF METAL SUITABLE FOR COATING; AND THEN COATING SAID BASE WITH ZINC CONTAINING A TRACE OF ALUMINUM TO RETARD FORMATION OF IRON-ZINC INTERMETALLIC COMPOUNDS AT THE INTERFACE BETWEEN THE BASE AND THE ZINC COATING.
Claim 2
Dependent Claim
107 words
A PROCESS FOR PRODUCING A SOFT, DUCTILE, GALVANIZED FLAT MATERIAL, SAID PROCESS COMPRISING: ROLLING A BASE FROM MILD STEEL CONTAINING TITANIUM IN AN AMOUNT BETWEEN FOUR AND NINE TIMES THE CARBON CONTENT OF THE STEEL; EXPOSING SAID BASE TO AN OXIDIZING ATMOSPHERE TO PRODUCE A THIN FILM OF OXIDE ON THE SURFACE OF THE BASE; THEN EXPOSING SAID BASE TO A REDUCING ATMOSPHERE AT A TEMPERATURE IN EXCESS OF ABOUT 1650*F., WHEREBY LAYER OF METAL SUITABLE FOR COATING; AND THEN COATING SAID BASE WITH ZINC CONTAINING A TRACE OF ALUMINUM TO RETARD FORMATION OF IRON-ZINC INTERMETALLIC COMPOUNDS AT THE INTERFACE BETWEEN THE BASE AND THE ZINC COATING.
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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |