3020704

Information

• Patent Grant
• 3020704

• References
• Source

• Patent Number

  3,020,704

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1962
  63 years ago

• CPC

  • B21F37/02 - of resilient rings
  • B21L1/00 - Making chains or chain links by bending work-pieces of rod, wire, or strip to form links of oval or other simple shape

• US Classifications

  • 059 - Chain, staple, and horseshoe making
  • 221 - Article dispensing