1493103

Information

• Patent Grant
• 1493103

• References
• Source

• Patent Number

  1,493,103

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1924
  100 years ago

• CPC

  • B21G1/06 - of needles with hook or barb

• US Classifications

  • 072 - Metal deforming
  • 451 - Abrading