1520905

Information

• Patent Grant
• 1520905

• References
• Source

• Patent Number

  1,520,905

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1924
  100 years ago

• CPC

  • B21B1/16 - for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
  • B21B19/14 - Rolling tubes by means of additional rollers arranged inside the tubes

• US Classifications

  • 072 - Metal deforming