Patent US3862046A successfully refreshed from Google Patents.
US3862046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strengthened and high density batio{hd 3
Assignee: United States Department of the Navy
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Filing: 1973-05-18
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Granted: 1975-01-21
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Expires: 1993-05-18
Abstract
Abstract The mechanical strength and densification of barium titanate ceramic bodies are enhanced 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 alkaline earth fluoride.
Inventors
- 👤 Jr Basil E Walker
- 👤 J Richard Spann
- 👤 Roy W Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:29
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/468; C04B35/4682
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
12 words
The ceramic body of claim 1 wherein said metal halide is BaF2.
Claim 2
Dependent Claim
12 words
The ceramic body of claim 1 wherein said metal halide is CaF2.
Claim 3
Dependent Claim
12 words
The ceramic body of claim 1 wherein said metal halide is SrCl2.
References Cited (Backward Citations)
US3000745A
Cited
US3753911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-20 | 1978-07-22 | 1979-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-20 | 1982-07-22 | 1983-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-20 | 1986-07-22 | 1987-01-21 | $7700.00 | Window Closed / Lapsed |