US3437515A
Expired / Lapsed
US
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Method of coating surfaces with high index oxides
Assignee: Mearl Corp
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Filing: 1965-01-11
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Granted: 1969-04-08
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Expires: 1985-01-11
Abstract
No abstract record available.
Inventors
- 👤 Charles A Quinn
- 👤 Carl J Rieger
- 👤 Rene A Bolomey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:24
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0015; C09C1/0021; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C04; C04B; C04B20/00; C04B20/10; C04B20/1055; C04B20/1066; C04B41/00; C04B41/45; C04B41/4505; C04B41/50; C04B41/5025; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/61; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/229; C03C2218/00; C03C2218/10; C03C2218/11; C04B2111/00; C04B2111/80; C09C2200/00; C09C2200/10; C09C2200/102; C09C2200/1062; C09C2200/30; C09C2200/302
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |