1809805

Information

• Patent Grant
• 1809805

• References
• Source

• Patent Number

  1,809,805

• Date Filed

  Not available

• Date Issued

  Tuesday, June 9, 1931
  94 years ago

• CPC

  • B21J7/42 - operated by rotary drive
  • Y10T74/18064 - Head motions

• US Classifications

  • 074 - Machine element or mechanism