US2946937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic material and method of producing the same
Assignee: GE Healthcare UK Ltd
•
Filing: 1956-05-07
•
Granted: 1960-07-26
•
Expires: 1976-05-07
Abstract
No abstract record available.
Inventors
- 👤 John M Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:13
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/468; C04B35/4682; H01G4/1209; H01G4/1218; H01G4/1227; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF PRODUCING A DIELECTRIC SINTERED BODY, WHICH COMPRISES SHAPING THE BODY OF A MATERIAL WHICH, AT LEAST AFTER SINTERING CONSISTS ESSENTIALLY OF BARIUM TITANATE AND A SMALLER MOLECULAR QUANTITY OF MANGANOUS OXIDE, THE AMOUNT OF MANGANOUS OXIDE BEING AT LEAST APPROXIMATELY 14 MOL PERCENT OF THE COMPOSITION AS A WHOLE, AND SINTERING SAID BODY IN A REDUCING ATMOSPHERE TO GIVE A BODY WHICH COMPRISES BARIUM TITANATE AND MANGANOUS OXIDE IN A PROPORTION CORRESPONDINGG TO A FORMULA SELECTED FROM THE GROUP CONSISTING OF
Claim 2
Independent Claim
84 words
A METHOD OF PRODUCING A DIELECTRIC SINTERED BODY, WHICH COMPRISES SHAPING THE BODY OF A MATERIAL WHICH, AT LEAST AFTER SINTERING CONSISTS ESSENTIALLY OF BARIUM TITANATE AND A SMALLER MOLECULAR QUANTITY OF MANGANOUS OXIDE, THE AMOUNT OF MANGANOUS OXIDE BEING AT LEAST APPROXIMATELY 14 MOL PERCENT OF THE COMPOSITION AS A WHOLE, AND SINTERING SAID BODY IN A REDUCING ATMOSPHERE TO GIVE A BODY WHICH COMPRISES BARIUM TITANATE AND MANGANOUS OXIDE IN A PROPORTION CORRESPONDINGG TO A FORMULA SELECTED FROM THE GROUP CONSISTING OF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |