Patent US3249462A successfully refreshed from Google Patents.
US3249462A
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US
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Metal diffusion coating utilizing fluidized bed
Assignee: Boeing Co
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Filing: 1961-10-23
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Granted: 1966-05-03
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Expires: 1981-10-23
Abstract
No abstract record available.
Inventors
- 👤 Charles H Jung
- 👤 Ross J Wood
- 👤 Christopher L Lofgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:49
CPC Classifications
C; C23; C23C; C23C10/00; C23C10/28; C23C10/34; C23C10/36; C23C10/44; C23C10/02; C23C10/06; C23C10/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/938
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
70 words
THE PROCESS OF COATING A REFRACTORY METAL ARTICLE WITH A SILICIDE DIFFUSION COMPLEX THEREOF, COMPRISING IMMERSING THE ARTICLE IN A BED OF FLUIDIZED PARTICULATE MATERIAL WHILE PERMEATING THE BED INTERSTICES AROUND THE ARTICLE WITH A VAPORIZED THERMALLY DECOMPOSABLE COMPOUND OF SILICON, AND MAINTAINING THE BED IN THE FLUIDIZED CONDITION ABOUT THE ARTICLE WHILE ADJUSTING ITS TEMPERATURE UNTIL THE COMPOUND DECOMPOSES AND FORMS A COATINGS OF THE COMPLEX ON THE ARTICLE.
Claim 2
Dependent Claim
70 words
THE PROCESS OF COATING A REFRACTORY METAL ARTICLE WITH A SILICIDE DIFFUSION COMPLEX THEREOF, COMPRISING IMMERSING THE ARTICLE IN A BED OF FLUIDIZED PARTICULATE MATERIAL WHILE PERMEATING THE BED INTERSTICES AROUND THE ARTICLE WITH A VAPORIZED THERMALLY DECOMPOSABLE COMPOUND OF SILICON, AND MAINTAINING THE BED IN THE FLUIDIZED CONDITION ABOUT THE ARTICLE WHILE ADJUSTING ITS TEMPERATURE UNTIL THE COMPOUND DECOMPOSES AND FORMS A COATINGS OF THE COMPLEX ON THE ARTICLE.
Claim 3
Dependent Claim
29 words
THE PROCESS ACCORDING TO CLAIM 1 WHREIN THE ARTICLE IS PREPLATED BEFORE THE COATING OPERATION WITH A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT, NICKEL, CHROMIUM, AND IRON.
References Cited (Backward Citations)
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US2683305A
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US2665998A
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US2689807A
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US2978316A
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US3053704A
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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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |