1880979

Information

• Patent Grant
• 1880979

• References
• Source

• Patent Number

  1,880,979

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1932
  92 years ago

• CPC

  • B21G1/006 - Special treatments of pins or needles
  • B21G1/12 - Securing, cleaning-off burrs, reconditioning polishing, grinding

• US Classifications

  • 072 - Metal deforming
  • 269 - Work holders