Patent US2538892A successfully refreshed from Google Patents.
US3046205A
Expired / Lapsed
US
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Nickel-aluminum alloy coatings
Assignee: Individual
•
Filing: 1959-07-23
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Granted: 1962-07-24
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Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 Dwight E Couch
- 👤 Shapiro Harold
- 👤 Brenner Abner
- 👤 Jean H Connor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:41
CPC Classifications
C; C25; C25D; C25D5/00; C25D5/48; C25D5/50; C25D5/10; C25D5/12; C25D5/60; C25D5/605; C25D5/611
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A METHOD OF COATING AN ARTICLE WHICH COMPRISES THE STEPS IN SEQUENCE OF ELECTROLYTICALLY DEPOSITING IN A CONTROLLED MANNER A LAYER OF NICKEL OVER THE SURFACE OF THE BASE METAL OF SAID ARTICLE, ELECTROLYTICALLY DEPOSITING A LAYER OF ALUMINUM FROM .0001 TO .0018 INCH THICK OVER SAID NICKLE LAYER IN SUCH MANNER AS TO BE ABOUT ONE-FOURTH THE THICKNESS OF SAID NICKEL LAYER, HEATING THE COATED ARTICLE AT A TEMPERATURE IN EXCESS OF 550* WHEREBY SAID ALUMINUM ALLOYS WITH LESS THAN THE TOTAL THICKNESS OF SAID NICKEL LAYER THEREBY PROVIDING SAID ARTICLE WITH A LAYER OF NICKEL COVERED BY A PROTECTIVE SURFACE LAYER OF NICKEL ALUMINIDE, SAID LAYEER OF NICKEL ALUMINIDE BEING FREE OF CONTAMINATION FROM THE BASE METAL.
Claim 2
Independent Claim
119 words
A METHOD OF COATING AN ARTICLE WHICH COMPRISES THE STEPS IN SEQUENCE OF ELECTROLYTICALLY DEPOSITING IN A CONTROLLED MANNER A LAYER OF NICKEL OVER THE SURFACE OF THE BASE METAL OF SAID ARTICLE, ELECTROLYTICALLY DEPOSITING A LAYER OF ALUMINUM FROM .0001 TO .0018 INCH THICK OVER SAID NICKLE LAYER IN SUCH MANNER AS TO BE ABOUT ONE-FOURTH THE THICKNESS OF SAID NICKEL LAYER, HEATING THE COATED ARTICLE AT A TEMPERATURE IN EXCESS OF 550* WHEREBY SAID ALUMINUM ALLOYS WITH LESS THAN THE TOTAL THICKNESS OF SAID NICKEL LAYER THEREBY PROVIDING SAID ARTICLE WITH A LAYER OF NICKEL COVERED BY A PROTECTIVE SURFACE LAYER OF NICKEL ALUMINIDE, SAID LAYEER OF NICKEL ALUMINIDE BEING FREE OF CONTAMINATION FROM THE BASE METAL.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |