US3705054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of applying coatings of tin oxide upon substrates
Assignee: Toshiba Corp
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Filing: 1968-01-18
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Granted: 1972-12-05
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Expires: 1988-01-18
Abstract
Abstract AN ORGANIC STANNOUS COMPOUND IN WHICH DIVALENT TIN IS BONDED TO ORGANIC RADICALS BY THE AID OF OXYGEN SUCH AS STANNOUS ALKOXIDE OR STANNOUS ACYL COMPOUND REPRESENTED BY A GENERAL FORMULA SN(OR)2 OR SN(OOCR)2 (R IN THE FORMULAS REPRESENTS AN ALKYL RADICAL) IS APPLIED UPON A SUBSTRATE AND THEN THE APPLIED COATING IS PYROLYZED.
Inventors
- 👤 Toru Matsushita
- 👤 Kunimoto Suzuki
- 👤 Shoji Hasegawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:13
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/253; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/211; C03C2218/00; C03C2218/10; C03C2218/11
Claims Analysis
Total Claims: 0
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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) | 1975-12-05 | 1976-06-05 | 1976-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-05 | 1980-06-05 | 1980-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-05 | 1984-06-05 | 1984-12-05 | $7700.00 | Window Closed / Lapsed |