US3679386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for forming a metal oxide coating on flat glass
Assignee: Nippon Sheet Glass Co Ltd
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Filing: 1970-06-22
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Granted: 1972-07-25
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Expires: 1990-06-22
Abstract
Abstract PROCESS AND APPARATUS FOR FORMING A METAL OXIDE COATNG ON THE SURFACE OF FLAT GLASS WHEREIN A SOLUTION OF A METAL COMPOUND CONVERTIBLE TO ITS OXIDE UPON PYROLSIS IS SPRAYED FROM A NOZZLE UNIFORMLY ON THE SURFACE OF FLAT GLASS MAINTAINED AT A TEMPERATURE OF 400* TO 450*C. DURING ITS TRANSFER TOWARDS A LEHR, THE SPRAYING BEING PERFORMED WITHIN A SPRAY CHAMBER INCLUDING THE NOZZLE THEREIN AND DEFINED BY PARTITION WALLS IN ORDER NOT TO HAVE THE SPRAY SCATTERED IN THE DIRECTION OF TRANSFER OF THE FLAT GLASS. THE PROCESS ENSURES THE FORMATION OF A UNIFORM AND COMPACT COATING.
Inventors
- 👤 Akira Kushihashi
- 👤 Koji Ikeda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:26
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/25; C03C17/001; C03C17/002; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/229; C03C2218/00; C03C2218/10; C03C2218/11; C03C2218/112; C03C2218/30; C03C2218/36
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) | 1975-07-25 | 1976-01-24 | 1976-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-25 | 1980-01-24 | 1980-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-25 | 1984-01-24 | 1984-07-25 | $7700.00 | Window Closed / Lapsed |