US3050409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of refractory oxide coatings
Assignee: OI Glass Inc
•
Filing: 1959-11-30
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Granted: 1962-08-21
•
Expires: 1979-11-30
Abstract
No abstract record available.
Inventors
- 👤 Bayer Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:25
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C23; C23C; C23C24/00; C23C24/08; C23C24/10; C23C24/103; C23C26/00; C23C26/02; Y; Y10; Y10S; Y10S44/00; Y10S44/901
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A METHOD OF FORMING A FIRMLY ADHERING COATING ON CERAMIC REFRACTORY BODIES IN WHICH THE COATING HAS A METALLIC PHASE OF 20 TO 40 PERCENT BY WEIGHT AND A CERAMIC PHASE OF 60 TO 80 PERCENT BY WEIGHT, THE STEPS INCLUDING APPLYING A LAYER COMPRISING AN (A) OXIDE SELECTED FROM THE GROUP CONSISTING OF IRON OXIDE, TITANIUM OXIDE, NICKEL OXIDE, TUNGSTWN OXIDE, BORIC OXIDE, MANGANESE OXIDE, AND CHROMIUM OXIDE AND (B) A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, SILICON, ZIRCONIUM, AND MAGNESIUM; AND THEREAFTER IGNITING THE LAYER WHEREBY SUFFICIENT HEAT IS EXOTHERMICALLY DEVELOPED FROM THE CHEMICAL INTERACTION OF THE METAL AND OXIDE AS TO FUSE THE LAYER TO FORM A DENSE HARD COATING.
Claim 2
Dependent Claim
116 words
IN A METHOD OF FORMING A FIRMLY ADHERING COATING ON CERAMIC REFRACTORY BODIES IN WHICH THE COATING HAS A METALLIC PHASE OF 20 TO 40 PERCENT BY WEIGHT AND A CERAMIC PHASE OF 60 TO 80 PERCENT BY WEIGHT, THE STEPS INCLUDING APPLYING A LAYER COMPRISING AN (A) OXIDE SELECTED FROM THE GROUP CONSISTING OF IRON OXIDE, TITANIUM OXIDE, NICKEL OXIDE, TUNGSTWN OXIDE, BORIC OXIDE, MANGANESE OXIDE, AND CHROMIUM OXIDE AND (B) A METAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM, SILICON, ZIRCONIUM, AND MAGNESIUM; AND THEREAFTER IGNITING THE LAYER WHEREBY SUFFICIENT HEAT IS EXOTHERMICALLY DEVELOPED FROM THE CHEMICAL INTERACTION OF THE METAL AND OXIDE AS TO FUSE THE LAYER TO FORM A DENSE HARD COATING.
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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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |