3712119

Information

• Patent Grant
• 3712119

• References
• Source

• Patent Number

  3,712,119

• Date Filed

  Not available

• Date Issued

  Tuesday, January 23, 1973
  52 years ago

• CPC

  • G01N29/0636 - with permanent recording
  • G01N29/38 - by time filtering
  • G01N2291/044 - Internal reflections (echoes)
  • G01N2291/104 - two or more emitters, one receiver
  • G01N2291/2675 - Seam, butt welding

• US Classifications

  • 073 - Measuring and testing
  • 141 - Fluent material handling, with receiver or receiver coacting means