1517834

Information

• Patent Grant
• 1517834

• References
• Source

• Patent Number

  1,517,834

• Date Filed

  Not available

• Date Issued

  Tuesday, December 2, 1924
  100 years ago

• CPC

  • B21G1/003 - Needles for special purposes
  • B21G7/06 - of undulated hairpins

• US Classifications

  • 140 - Wireworking