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US3418154A
Expired / Lapsed
US
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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: 1968-12-24
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Expires: 1984-12-31
Abstract
No abstract record available.
Inventors
- 👤 David P Rawski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:33
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/256; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/212; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3323889A
Cited
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 |