2678423

Information

• Patent Grant
• 2678423

• References
• Source

• Patent Number

  2,678,423

• Date Filed

  Not available

• Date Issued

  Tuesday, May 11, 1954
  70 years ago

• CPC

  • G01R5/28 - Electrostatic instruments
  • G01R5/30 - Leaf electrometers

• US Classifications

  • 324 - Electricity: measuring and testing
  • 361 - Electricity: electrical systems and devices