2170810

Information

• Patent Grant
• 2170810

• References
• Source

• Patent Number

  2,170,810

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1939
  85 years ago

• CPC

  • B21L11/12 - forming bead chains
  • Y10T29/5116 - forging and bending, cutting or punching
  • Y10T29/5187 - Wire working

• US Classifications

  • 059 - Chain, staple, and horseshoe making
  • 029 - Metal working
  • 079 - Button making