3485087

Information

• Patent Grant
• 3485087

• References
• Source

• Patent Number

  3,485,087

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1969
  55 years ago

• CPC

  • G01B17/02 - for measuring thickness
  • G01N29/07 - by measuring propagation velocity or propagation time of acoustic waves
  • G01N2291/02854 - Length, thickness
  • Y10S73/901 - Digital readout

• US Classifications

  • 073 - Measuring and testing