US3667926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for coating glass
Assignee: EIDP Inc
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Filing: 1969-11-06
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Granted: 1972-06-06
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Expires: 1989-11-06
Abstract
Abstract METHOD OF PRODUCING SCRATCH RESISTANCE ON GLASS BY CONTACTING IT WHILE HOT WITH (A) AN AQUEOUS SOLUTION OF A WATER-STABLE TITANIUM COMPOSITION AND (B) AN AQUEOUS DISPERSION OF A SURFACE LUBRICATING COMPOSITION, THE GLASS TEMPERATURE BEING HIGH ENOUGH TO CAUSE IMMEDIATE AND SUBSTANTIALLY COMPLETE VAPORIZATION OF THE WATER CONTENT OF THE SOLUTION AND DISPERISION.
Inventors
- 👤 Larry Q Green
- 👤 Larry L Light
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:22
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/28
Claims Analysis
Total Claims: 0
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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) | 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 |