2839669

Information

• Patent Grant
• 2839669

• References
• Source

• Patent Number

  2,839,669

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1958
  66 years ago

• CPC

  • D01H13/1675 - Pencil of rays on side of machines

• US Classifications

  • 362 - Illumination
  • 057 - Textiles: spinning, twisting, and twining
  • 139 - Textiles: weaving
  • 356 - Optics: measuring and testing