US3418145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition comprising aluminum and metal fluorides
Assignee: RTX Corp
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Filing: 1965-04-12
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Granted: 1968-12-24
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Expires: 1985-04-12
Abstract
No abstract record available.
Inventors
- 👤 David L Yenawine
- 👤 Emanuel C Hirakis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:52
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/10; C03; C03C; C03C4/00; C23; C23C; C23C24/00; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12736; Y10T428/12743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A COATING COMPOSITION FOR APPLICATION TO COLUMBIUM AND ITS ALLOYS TO IMPART OXIDATION RESISTANCE THERETO WHICH CONSISTS ESSENTIALLY OF A SLURRY OF ALUMINUM, WATER AND GLASS POWDERS, THE GLASS CONSISTING ESSENTIALLY OF A MIXTURE OF METAL FLUORIDES SELECTED FROM THE GROUP CONSISTING OF THE FLUORIDES OF THEALKALI METALS, THE ALKALINE EARTH METALS AND ALUMINUM HAVING A FUSION POINT OF 800*1400*F. AND SUFFICIENT VISCOSITY OF 18*F. TO REMAIN ADHERENT TO THE SURFACE TO WHICH IT IS APPLIED, THE ALUMINUM COMPRISING THE PREDOMINANT ELEMENT IN THE SLURRY BY WEIGHT.
Claim 2
Dependent Claim
87 words
A COATING COMPOSITION FOR APPLICATION TO COLUMBIUM AND ITS ALLOYS TO IMPART OXIDATION RESISTANCE THERETO WHICH CONSISTS ESSENTIALLY OF A SLURRY OF ALUMINUM, WATER AND GLASS POWDERS, THE GLASS CONSISTING ESSENTIALLY OF A MIXTURE OF METAL FLUORIDES SELECTED FROM THE GROUP CONSISTING OF THE FLUORIDES OF THEALKALI METALS, THE ALKALINE EARTH METALS AND ALUMINUM HAVING A FUSION POINT OF 800*1400*F. AND SUFFICIENT VISCOSITY OF 18*F. TO REMAIN ADHERENT TO THE SURFACE TO WHICH IT IS APPLIED, THE ALUMINUM COMPRISING THE PREDOMINANT ELEMENT IN THE SLURRY BY WEIGHT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |