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US3028656A Expired / Lapsed US ⏱️ 0.0 years remaining

Ceramic material and method of producing the same

Assignee: GE Healthcare UK Ltd
•
Filing: 1955-09-13
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Granted: 1962-04-10
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Expires: 1975-09-13
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Abstract

No abstract record available.

Inventors

  • 👤 John M Herbert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 06:25
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/018; H01G4/06; H01G4/08; H01G4/12; H01G4/1209; H01G4/1218; H01G4/1227; C; C04; C04B; C04B35/00; C04B35/01; C04B35/46; C04B35/462; C04B35/465; C04B35/468; C04B35/4682; H01B; H01B1/00; H01G4/005; H01G4/008; H01G4/0085; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 155 words
A METHOD OF PRODUCING A CAPACITOR COMPRISING GORMING THE DIELECTRIC PARTS OF THE CAPACITOR BY MIXING BACO3, TIO2 AND A COMPOUND WHICH WILL YIELD ON FIRING MANGANOUS OXIDE IN POWDER FORM, SINTERING THE MIXTURE IN AIR TO FORM A SINTERED MATERIAL CONSISTING OF BATIO3 AND MNO IN QUANTITIES APPROXIMATELY CORRESPONDING TO THE FORMULA 2BATIO3MNO, SINTERING IN AIR A POWDERED MIXTURE OF FE2O3 AND METALLIC IRON POWDER TO PRODUCE A SINTERED ELECTRICALLY CONDUCTIVE ELECTRODE MATERAIL, SEPARATELY THE SINTERED DIELECTRIC AND ELECTRODE MATERIAL, SEPARATELY MIXING EACH POWDERED MATERIAL WITH AN ORGANIC BINDER, POURING EACH MIXTURE AS A THIN LAYER UPON A SEPARATE SUPPORT, DRYING THE LAYERS OF DIELECTRIC AND ELECTRODE MATERIAL, PEELING OFF THE LAYERS AS FILMS AFTER THE DRYING, SUPERIMPOSING AND PRESSURE ALTERNATE FILMS OF DIELECTRIC AND ELECTRODE MATERIAL TOGETHER, REMOVING THE ORGANIC BINDER BY SINTERING THE SUPERIMPOSED LAYERS IN A HYDROGEN ATMOSPHERE CONTAINING STEAM AT AN ELEVATD TEMPERATURE, AND FINALLY SINTERING IN A HYDROGEN ATMOSPHERE.

References Cited (Backward Citations)

GB574577A Cited
US2395442A Cited
US2616859A Cited
US2486560A Cited
US2538554A Cited
US2529719A Cited
US2520376A Cited
US2640165A Cited
US2750657A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-04-09 1965-10-09 1966-04-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-04-09 1969-10-09 1970-04-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-04-09 1973-10-09 1974-04-10 $7700.00 Window Closed / Lapsed

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