US3783010A
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Refracting,light permeable oxide layer and method for its manufacture
Assignee: Balzers Patent und Beteiligungs AG
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Filing: 1971-04-07
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Granted: 1974-01-01
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Expires: 1991-04-07
Abstract
Abstract A HIGHLY REFRACTING, LIGHT PERMEABLE OXIDE LAYER ON A SUPPORT, SUCH AS A GLASS PLATE, COMPRISES OXYGEN, ZIRCONIUM AND TANTALUMN, THE RATIO OF THE NUMBER OF TANTALUM ATOMS TO ZIRCONIUM ATOMS BEING IN THE RANGE OF ABOUT 1:1 TO 1:2.
Inventors
- 👤 B Wille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:38
CPC Classifications
C; C03; C03C; C03C17/00; C03C17/22; C03C17/23; C03C17/245; C23; C23C; C23C14/00; C23C14/06; C23C14/08; C23C14/083; G02B1/105; G; G02; G02B; G02B1/00; G02B1/10; G02B1/14; C03C2217/00; C03C2217/20; C03C2217/21; C03C2217/23; C03C2218/00; C03C2218/10; C03C2218/15; C03C2218/151; Y; Y10; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
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) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |