3345563

Information

• Patent Grant
• 3345563

• References
• Source

• Patent Number

  3,345,563

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1967
  56 years ago

• CPC

  • G01B17/02 - for measuring thickness
  • G01N27/9066 - by measuring the propagation time, or delaying the signals

• US Classifications

  • 324 - Electricity: measuring and testing
  • 073 - Measuring and testing