2307550

Information

• Patent Grant
• 2307550

• References
• Source

• Patent Number

  2,307,550

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1943
  82 years ago

• CPC

  • H01J13/38 - having resistive igniter only

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 252 - Compositions
  • 501 - Compositions: ceramic