3575040

Information

• Patent Grant
• 3575040

• References
• Source

• Patent Number

  3,575,040

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1971
  53 years ago

• CPC

  • G01M3/005 - using pigs or moles
  • G01M3/243 - for pipes
  • G01M3/2823 - using pigs or moles traveling in the pipe
  • F16L2101/30 - Inspecting, measuring or testing
  • Y10S411/924 - Coupled nut and bolt

• US Classifications

  • 073 - Measuring and testing
  • 411 - Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener