2725525

Information

• Patent Grant
• 2725525

• References
• Source

• Patent Number

  2,725,525

• Date Filed

  Not available

• Date Issued

  Tuesday, November 29, 1955
  69 years ago

• CPC

  • H01J9/42 - Measurement or testing during manufacture
  • F21K5/02 - ignited in a non-disrupting container
  • G01L21/00 - Vacuum gauges
  • H01J7/42 - Means structurally associated with the tube or lamp for indicating defects or previous use

• US Classifications

  • 324 - Electricity: measuring and testing