US3586522A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass-ceramics containing baal2si208 crystalline phase
Assignee: EIDP Inc
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Filing: 1968-03-29
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Granted: 1971-06-22
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Expires: 1988-03-29
Abstract
Abstract NOVEL GLASS-CERAMICS WHICH CONSIST ESSENTIALLY OF CRITICAL PROPORTIONATE AMOUNTS OF SIO2, PBO, AL2O3, TIO2 AND BAO; OPTIONAL COMPONENTS INCLUDE: ZNO, PBF2, SRO, ZRO2, TA2O5, WO3, CDO, SNO2 AND SB2O3. THESE GLASSCERAMICS ARE USABLE, E.G., IN PARTICULATE FORM, IN PREPARING SCREEN PRINTABLE CROSSOVER DIELECTRIC COMPOSITIONS, AND AS THE INORGANIC BINDER COMPONENT IN PREPARING SCREEN PRINTABLE CONDUCTOR COMPOSITIONS AND RESISTOR COMPOSITIONS.
Inventors
- 👤 Lewis C Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:52
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/129; C; C03; C03C; C03C10/00; C03C10/0054; C03C4/00; H01B; H01B1/00; H01B1/14; H01C; H01C17/00; H01C17/06; H01C17/065; H01C17/06506; H01C17/06573; H01C17/0658; H05; H05K; H05K1/00; H05K1/02; H05K1/03; H05K1/0306; H05K3/00; H05K3/46; H05K3/4685; C03C2204/00; C03C2204/04
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-21 | 1974-12-21 | 1975-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-21 | 1978-12-21 | 1979-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-21 | 1982-12-21 | 1983-06-22 | $7700.00 | Window Closed / Lapsed |