US3753911A
Expired / Lapsed
US
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High strength barium titanate ceramic bodies
Assignee: United States Department of the Navy
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Filing: 1971-06-24
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Granted: 1973-08-21
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Expires: 1991-06-24
Abstract
Abstract THE MECHANICAL STRENGTH AND DENSIFICATION OF BARIUM TITANATE CERAMIC BODIES ARE ENCHANCED BY THE ADDITION OF SMALL AMOUNTS OF HALIDE SALTS IN COMBINATION WITH METAL OXIDES. TRANSPARENCY OF BARIUM TITANATE BODIES ARE ALSO ATTAINED BY THE ADDITION OF AN ALKALI FLUORIDE.
Inventors
- 👤 B Walker
- 👤 J Spann
- 👤 R Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:33
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/0009; G02F1/0018; G02F1/0027; C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/468; C04B35/4682
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) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |