1935723

Information

• Patent Grant
• 1935723

• References
• Source

• Patent Number

  1,935,723

• Date Filed

  Not available

• Date Issued

  Tuesday, November 21, 1933
  91 years ago

• CPC

  • H01J17/34 - One or more circuit elements structurally associated with the tube
  • H01J61/35 - provided with coatings on the walls thereof Selection of materials for the coatings

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 174 - Electricity: conductors and insulators
  • 220 - Receptacles