US3667985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic surface treatment method
Assignee: General Electric Co
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Filing: 1970-04-23
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Granted: 1972-06-06
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Expires: 1990-04-23
Abstract
Abstract THE METALLIC POWDER PRODUCED FROM A TERNARY ALLOY OF TI, AL AND C, HAVING A DISJPERSION OF TI2ALC COMPLEX CARBIDE IN A MATRIX OF TI OR AL OR THEIR ALLOYS, PREFERABLY THE BINARY TI2AL WITH THE TI WITHIN THE GAMMA RANGE OF THE TI-AL PHASE DIAGRAM AND AVOIDING DETRIMENTAL AMOUNTS OF TIAL3, ALLOWS ACCURATE CONTROL OF THE DEPOSITION OF EITHER OR BOTH AL AND TI OR THEIR ALLOYS IN A DIFFUSION PACKTYPE METHOD FOR COATING AN ARTICLE. DEPOSITION IS BROUGHT ABOUT THROUGH THE USE OF A HALIDE SALT ACTIVATOR PREFERABLY IN THE FLUORIDE OR CHLORIDE CLASS.
Inventors
- 👤 David J Levine
- 👤 Moses A Levinstein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:16
CPC Classifications
C; C23; C23C; C23C12/00; C23C12/02; C22; C22C; C22C16/00; C23C10/00; C23C10/28; C23C10/34; C23C10/52
Claims Analysis
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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) | 1975-06-06 | 1975-12-06 | 1976-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-06 | 1979-12-06 | 1980-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-06 | 1983-12-06 | 1984-06-06 | $7700.00 | Window Closed / Lapsed |