2234430

Information

• Patent Grant
• 2234430

• References
• Source

• Patent Number

  2,234,430

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1941
  83 years ago

• CPC

  • G01R13/38 - using the steady or oscillatory displacement of a light beam by an electromechanical measuring system

• US Classifications

  • 324 - Electricity: measuring and testing