US3387994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for rendering glass scratch resistant by decomposition of a titanium ester chelate
Assignee: EIDP Inc
•
Filing: 1965-04-09
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Granted: 1968-06-11
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Expires: 1985-04-09
Abstract
No abstract record available.
Inventors
- 👤 Iii Guthrie Raynor Dunton
- 👤 Green Larry Quentin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:19
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/256; C03C17/28; 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)
US2831780A
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US3202054A
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US3051593A
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US3004863A
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US3130071A
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US3161535A
Cited
US3323889A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-11 | 1971-12-11 | 1972-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-11 | 1975-12-11 | 1976-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-11 | 1979-12-11 | 1980-06-11 | $7700.00 | Window Closed / Lapsed |