US3379942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric glasses and capacitors employing such glasses
Assignee: Westinghouse Electric Corp
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Filing: 1964-11-13
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Granted: 1968-04-23
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Expires: 1984-11-13
Abstract
No abstract record available.
Inventors
- 👤 Earl K Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:29
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/04; C03C3/062; C03C3/064; C03C3/066; C03C3/068; H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/087; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/10; H01G4/105
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
60 words
AN ELECTRONIC CAPACITOR COMPRISING A PLURALITY OF METAL PLATES HAVING CONFRONTING SURFACES SEPARATED BY A DIELECTRIC LAYER OF GLASS, THE DIELECTRIC GLASS CONSISTING ESSENTIALLY OF THE FOLLOWING CONSTITUENTS IN ABOUT THE INDICATED PROPORTIONS: CONSTITUENTS: WEIGHT PERCENT BAO 25-35 B2O3 17-24 ZNO 5-15 K2O 4-10 SIO2 5-11 TIO2 1-8 AL2O3 1-7 NA2O 1-5 LI2O 0.5-3.0 F 0.5-3.0 CDO 1-10 CAO 0.5-5
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |