3269421

Information

• Patent Grant
• 3269421

• References
• Source

• Patent Number

  3,269,421

• Date Filed

  Not available

• Date Issued

  Tuesday, August 30, 1966
  58 years ago

• CPC

  • F16L13/106 - Tools

• US Classifications

  • 138 - Pipes and tubular conduits
  • 015 - Brushing, scrubbing, and general cleaning
  • 118 - Coating apparatus
  • 427 - Coating processes