1560510

Information

• Patent Grant
• 1560510

• References
• Source

• Patent Number

  1,560,510

• Date Filed

  Not available

• Date Issued

  Tuesday, November 3, 1925
  99 years ago

• CPC

  • H01T13/48 - having means for rendering sparks visible

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 123 - Internal-combustion engines