2247837

Information

• Patent Grant
• 2247837

• References
• Source

• Patent Number

  2,247,837

• Date Filed

  Not available

• Date Issued

  Tuesday, July 1, 1941
  83 years ago

• CPC

  • B21L11/14 - making chain links with inserted or integrally-formed studs

• US Classifications

  • 059 - Chain, staple, and horseshoe making
  • 219 - Electric heating