3417252

Information

• Patent Grant
• 3417252

• References
• Source

• Patent Number

  3,417,252

• Date Filed

  Not available

• Date Issued

  Tuesday, December 17, 1968
  56 years ago

• CPC

  • D04B35/10 - Indicating, warning, or safety devices
  • D04B35/20 - responsive to defects
  • D06H3/08 - by photo-electric or television means
  • G01N21/8983 - for testing textile webs

• US Classifications

  • 250 - Radiant energy
  • 026 - Textiles: cloth finishing
  • 066 - Textiles: knitting