3157820

Information

• Patent Grant
• 3157820

• References
• Source

• Patent Number

  3,157,820

• Date Filed

  Not available

• Date Issued

  Tuesday, November 17, 1964
  60 years ago

• CPC

  • G05D23/2456 - using selfs or transformers
  • H01J13/32 - Cooling arrangements Heating arrangements

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 313 - Electric lamp and discharge devices