2776696

Information

• Patent Grant
• 2776696

• References
• Source

• Patent Number

  2,776,696

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1957
  68 years ago

• CPC

  • B21G1/006 - Special treatments of pins or needles
  • B21G1/04 - of needles specially adapted for use in machines or tools
  • B21G1/12 - Securing, cleaning-off burrs, reconditioning polishing, grinding
  • D04B35/02 - Knitting tools or instruments not provided for in group D04B15/00 or D04B27/00
  • D04B35/08 - Spring or bearded needles
  • Y10T29/49748 - by shaping, e.g., bending, extruding, turning, etc.
  • Y10T29/49769 - Using optical instrument [excludes mere human eyeballing]

• US Classifications

  • 072 - Metal deforming
  • 029 - Metal working
  • 163 - Needle and pin making
  • 356 - Optics: measuring and testing