US2864713A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic dielectric compositions
Assignee: The General Electric Company PLC
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Filing: 1956-09-04
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Granted: 1958-12-16
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Expires: 1976-09-04
Abstract
No abstract record available.
Inventors
- 👤 Lewis Brian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/495; C04B35/46; C04B35/462; C01; C01P; C01P2006/00; C01P2006/40; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3201; C04B2235/3203; C04B2235/3205; C04B2235/3206; C04B2235/3208; C04B2235/3213; C04B2235/3215; C04B2235/3231; C04B2235/3244; C04B2235/3246; C04B2235/3251
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A CERAMIC DIELECTRIC MATERIAL WHICH HAS A STOICHIOMETRIC COMPOSITION SUBSTANTIALLY CORRESPONDING TO THE FORMULA (1-X)L2O.XMO.R2O5, WHEREIN L IS SODIUM WHICH MAY BE PARTIALLY REPLACED BY POTASSIUM, M IS A METAL OF THE GROUP CONSISTING OF CADMIUM AND LEAD, R IS NIOBIUM WHICH MAY BE PARTIALLY REPLACED BY POTASSIUM, M IS A X HAS A VALUE IN THE RANGE OF 0.05 MOLE TO 0.80 MOLE, L CONSISTING WHOLLY OF SODIUM IF LEAD IS PRESENT.
Claim 2
Dependent Claim
73 words
A CERAMIC DIELECTRIC MATERIAL WHICH HAS A STOICHIOMETRIC COMPOSITION SUBSTANTIALLY CORRESPONDING TO THE FORMULA (1-X)L2O.XMO.R2O5, WHEREIN L IS SODIUM WHICH MAY BE PARTIALLY REPLACED BY POTASSIUM, M IS A METAL OF THE GROUP CONSISTING OF CADMIUM AND LEAD, R IS NIOBIUM WHICH MAY BE PARTIALLY REPLACED BY POTASSIUM, M IS A X HAS A VALUE IN THE RANGE OF 0.05 MOLE TO 0.80 MOLE, L CONSISTING WHOLLY OF SODIUM IF LEAD IS PRESENT.
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) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |