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US3407085A
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Method of rendering glass surfaces abrasion-resistant and glass articles produced thereby
Assignee: OI Glass Inc
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Filing: 1964-12-31
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Granted: 1968-10-22
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Expires: 1984-12-31
Abstract
No abstract record available.
Inventors
- 👤 Kitaj Walter
- 👤 Levene Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:19
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/34; C03C17/42; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31598; Y10T428/31601; Y10T428/31609
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3320203A
Cited
US3323889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |