Patent US3829303A successfully refreshed from Google Patents.
US3829303A
Expired / Lapsed
US
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Dielectric properties of inorganic oxide glass-ceramic materials
Assignee: United States Department of the Army
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Filing: 1973-10-25
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Granted: 1974-08-13
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Expires: 1993-10-25
Abstract
Abstract THE DIELECTRIC PROPERTIES, PARTICULARALY THE DIELECTRIC CONSTANT AND DIELECTRIC STRENGTH, OF INORGANIC OXIDE GLASSCERAMIC MATEIRIALS IS IMPROVED BY SUBJECTING THE MATERIALS TO HOT, ISOSTATIC NOTROGEN GAS OR OXYGEN GAS PRESSURES DURING CRYSTALLIZATION.
Inventors
- 👤 R Zeto
- 👤 C Bosco
- 👤 E Hryckowian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:51
CPC Classifications
C; C03; C03C; C03C10/00; C03C10/0054; H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/087; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/129
Claims Analysis
Total Claims: 0
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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) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |