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2663824
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Information
Patent Grant
2663824
References
Source
Patent Number
2,663,824
Date Filed
Not available
Date Issued
Tuesday, December 22, 1953
70 years ago
CPC
H01J17/54 - having one or more control electrodes
Y10T428/12542 - More than one such component
Y10T428/1259 - Oxide
Y10T428/12597 - Noncrystalline silica or noncrystalline plural-oxide component [e.g., glass, etc.]
Y10T428/12729 - Group IIA metal-base component
Y10T428/12778 - Alternative base metals from diverse categories
Y10T428/12937 - Co- or Ni-base component next to Fe-base component
Y10T428/12944 - Ni-base component
Y10T428/12951 - Fe-base component
US Classifications
315 - Electric lamp and discharge devices: systems
065 - Glass manufacturing
174 - Electricity: conductors and insulators
313 - Electric lamp and discharge devices
428 - Stock material or miscellaneous articles
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