US3759743A
Expired / Lapsed
US
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Method of applying coarings of tin oxide upon transparent substrates
Assignee: Pilkington North America Inc
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Filing: 1971-09-17
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Granted: 1973-09-18
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Expires: 1991-09-17
Abstract
Abstract AN IMPROVED TECHNIQUE FOR PRODUCING ELECTRICALLY CONDUCTING TIN OXIDE FILMS ON THE SURFACE OF A CERAMIC SUBSTRATE BY APPLYING A SOLUTION OF AN ORGANOTIN SALT OF TRIFLUOROACETIC ACID TO THE SUBSTRATE WHILE IT IS AT A TEMPERATURE ABOVE 800*F.
Inventors
- 👤 A Menke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:47
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/41; C07C51/412; C01; C01F; C01F11/00; C01F11/46; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/253; C07F; C07F7/00; C07F7/22; C07F7/2224; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/211; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-17 | 1977-03-19 | 1977-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-17 | 1981-03-19 | 1981-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-17 | 1985-03-19 | 1985-09-18 | $7700.00 | Window Closed / Lapsed |