Patent US2675648A successfully refreshed from Google Patents.
Patent US2569097A successfully refreshed from Google Patents.
US2569097A
Expired / Lapsed
US
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Method of coating ferrous metal with aluminum or an aluminum alloy
Assignee: Motors Liquidation Co
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Filing: 1951-02-20
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Granted: 1951-09-25
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Expires: 1971-02-20
Abstract
No abstract record available.
Inventors
- 👤 Howard L Grange
- 👤 Dean K Hanink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:52
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
A METAL OF COATING FERROUS METAL WITH A COATING METAL OF THE CLASS CONSISTING OF ALUMINUM AND ALUMINUM BASE ALLOYS WHICH COMPRISES IMMERSING THE FERROUS METAL IN A FUSED SALT BATH COMPOSED ABOUT AS FOLLOWS:
Claim 2
Dependent Claim
35 words
A METAL OF COATING FERROUS METAL WITH A COATING METAL OF THE CLASS CONSISTING OF ALUMINUM AND ALUMINUM BASE ALLOYS WHICH COMPRISES IMMERSING THE FERROUS METAL IN A FUSED SALT BATH COMPOSED ABOUT AS FOLLOWS:
References Cited (Backward Citations)
US597111A
Cited
US1550280A
Cited
US1538355A
Cited
US1941750A
Cited
US2101553A
Cited
US2112578A
Cited
US2239018A
Cited
US2428523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-24 | 1955-03-26 | 1955-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-24 | 1959-03-26 | 1959-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-24 | 1963-03-26 | 1963-09-25 | $7700.00 | Window Closed / Lapsed |