1182291

Information

• Patent Grant
• 1182291

• References
• Source

• Patent Number

  1,182,291

• Date Filed

  Not available

• Date Issued

  Tuesday, May 9, 1916
  108 years ago

• CPC

  • H01J13/08 - characterised by the material

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 307 - Electrical transmission or interconnection systems
  • 363 - Electric power conversion systems