Patent US3062668A successfully refreshed from Google Patents.
US3062668A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dielectric materials and processes of manufacturing same
Assignee: TDK Micronas GmbH
•
Filing: 1961-02-08
•
Granted: 1962-11-06
•
Expires: 1981-02-08
Abstract
No abstract record available.
Inventors
- 👤 Pierrot Andre
- 👤 Bernard Nicolle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:18
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
A DIELECTTRIC MATERIAL WITH VERY HIGH VALUES OF PERMITTIVITY CONSITING ESSENTIALLY OF THE PRODUCT FORMED OF A HOMOGENEOUS MIXTURE OF FE2O3 WITH 0.05 TO 5% OF TA2O5 BY WEIGHT OF THE TOTAL MIXTURE BY THE PROCESS OF FORMING SAID MIXTURE INTO A BODY OF THE DESIRED CONFIGURATION, HEATING SAID BODY TO A TEMPERATURE OF 1100* TO 1400* C. IN AN ATMOSPHERE CONTAINING 0.5 TO 20% OF OXYGEN BY VOLUME FOR A PERIOD OF ABOUT FOUR HOURS, FOLLOWED BY A SLOW COOLING FOR ABOUT 15 HOURS IN AN ATMOSPHERE COMPRISING NITROGEN WITH UP TO APPROXIMATELY 20% OXYGEN BY VOLUME.
Claim 2
Dependent Claim
98 words
A DIELECTTRIC MATERIAL WITH VERY HIGH VALUES OF PERMITTIVITY CONSITING ESSENTIALLY OF THE PRODUCT FORMED OF A HOMOGENEOUS MIXTURE OF FE2O3 WITH 0.05 TO 5% OF TA2O5 BY WEIGHT OF THE TOTAL MIXTURE BY THE PROCESS OF FORMING SAID MIXTURE INTO A BODY OF THE DESIRED CONFIGURATION, HEATING SAID BODY TO A TEMPERATURE OF 1100* TO 1400* C. IN AN ATMOSPHERE CONTAINING 0.5 TO 20% OF OXYGEN BY VOLUME FOR A PERIOD OF ABOUT FOUR HOURS, FOLLOWED BY A SLOW COOLING FOR ABOUT 15 HOURS IN AN ATMOSPHERE COMPRISING NITROGEN WITH UP TO APPROXIMATELY 20% OXYGEN BY VOLUME.
References Cited (Backward Citations)
US2911370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |