2239693

Information

• Patent Grant
• 2239693

• References
• Source

• Patent Number

  2,239,693

• Date Filed

  Not available

• Date Issued

  Tuesday, April 29, 1941
  84 years ago

• CPC

  • H01T14/00 - Spark gaps not provided for in groups H01T2/00 - H01T13/00

• US Classifications

  • 315 - Electric lamp and discharge devices: systems
  • 096 - Gas separation: apparatus
  • 310 - Electrical generator or motor structure
  • 313 - Electric lamp and discharge devices
  • 361 - Electricity: electrical systems and devices
  • 417 - Pumps