US3748110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ductile corrosion resistant coating for nickel base alloy articles
Assignee: Motors Liquidation Co
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Filing: 1971-10-27
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Granted: 1973-07-24
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Expires: 1991-10-27
Abstract
Abstract COMPOSITE ARTICLES, SUCH AS TURBINE BLADES, HAVING A NICKEL BASE SUPERALLOY CORE OR BODY AND A SURFACE LAYER FORMED BY DIFFUSING ALUMINUM, MANGANESE AND CHROMIUM INTO THE NICKEL BASE ALLOY BODY PORTION, HAVE EXCELLENT RESISTANCE TO BOTH STRESS RUPTURE AND CORROSION AT HIGH TEMPERATURES.
Inventors
- 👤 R Martin
- 👤 J Hodshire
- 👤 Q Shockley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:21
CPC Classifications
C; C23; C23C; C23C24/00; C23C24/08; C23C24/10; C23C24/103; C23C24/106; C23C10/00; C23C10/28; C23C10/34; C23C10/52; C23C10/54; C23C10/56; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/941; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/1275; Y10T428/12771; Y10T428/12806; Y10T428/12826; Y10T428/12847; Y10T428/12854; Y10T428/12861; Y10T428/12944
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |