US2800707A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum coated ferrous bodies and processes of making them
Assignee: Whitfield and Sheshunoff Inc
•
Filing: 1951-08-04
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Granted: 1957-07-30
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Expires: 1971-08-04
Abstract
No abstract record available.
Inventors
- 👤 Marshall G Whitfield
- 👤 Sheshunoff Victor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:18
CPC Classifications
C; C23; C23C; C23C2/00; C23C2/04; C23C2/12; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/936; Y10S428/937; Y10S428/938; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/12743; Y10T428/12771; Y10T428/12806; Y10T428/12826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A METHOD OF FORMING A HIGH STRENGTH BOND BETWEEN A FERROUS METAL BODY AND A COATING OF ALUMINUM WHICH COMPRISES COATING THE SURFACE OF THE FERROUS METAL BODY WITH A BARRIER METAL CHOSEN FROM A CLASS CONSISTING OF MOLYBDENUM, TUNGSTEN AND MIXTURES THEREOF AND DIPPING THE FERROUS BODY INTO A BATH OF MOLTEN ALUMINUM.
Claim 2
Independent Claim
54 words
A METHOD OF FORMING A HIGH STRENGTH BOND BETWEEN A FERROUS METAL BODY AND A COATING OF ALUMINUM WHICH COMPRISES COATING THE SURFACE OF THE FERROUS METAL BODY WITH A BARRIER METAL CHOSEN FROM A CLASS CONSISTING OF MOLYBDENUM, TUNGSTEN AND MIXTURES THEREOF AND DIPPING THE FERROUS BODY INTO A BATH OF MOLTEN ALUMINUM.
References Cited (Backward Citations)
US547381A
Cited
US1706130A
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GB428855A
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US2300400A
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US2406245A
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US2455457A
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US2512141A
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US2588421A
Cited
US2697869A
Cited
US2682702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |