US3103442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic dielectric compositions
Assignee: —
•
Filing: —
•
Granted: 1963-09-10
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Expires: 1980-09-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:42
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/468; C04B35/4682; H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/1209; H01G4/1236; H01G4/1245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A CERAMIC DIELECTRIC COMPOSITION CHARACTERIZED BY A DIELECTRIC CONSTANT AT LEAST ABOUT 10,000 AT 25*C., SAID COMPOSITION CONSISTING ESSENTIALLY OF THE FOLLOWING PERCENTAGES GIVEN BY WEIGHT AND TOTALLING SUBSTANTIALLY 100%: BARIUM TITANATE 70-80%; STRONTIUM TITANATE 6-12%; CALCIUM ZIRCONATE 10-15%; MANGANESE OXIDE 0.1-0.3%; AT LEAST ONE OXIDE OF A RARE EARTH METAL SELECTED FROM THE GROUP CONSISTING OF SAMARIUM AND PRASEODYMIUM 0.200.75%.
Claim 2
Dependent Claim
61 words
A CERAMIC DIELECTRIC COMPOSITION CHARACTERIZED BY A DIELECTRIC CONSTANT AT LEAST ABOUT 10,000 AT 25*C., SAID COMPOSITION CONSISTING ESSENTIALLY OF THE FOLLOWING PERCENTAGES GIVEN BY WEIGHT AND TOTALLING SUBSTANTIALLY 100%: BARIUM TITANATE 70-80%; STRONTIUM TITANATE 6-12%; CALCIUM ZIRCONATE 10-15%; MANGANESE OXIDE 0.1-0.3%; AT LEAST ONE OXIDE OF A RARE EARTH METAL SELECTED FROM THE GROUP CONSISTING OF SAMARIUM AND PRASEODYMIUM 0.200.75%.
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) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |