1789831

Information

• Patent Grant
• 1789831

• References
• Source

• Patent Number

  1,789,831

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1931
  94 years ago

• CPC

  • B31F1/07 - Embossing , i.e. producing impressions formed by locally deep-drawing
  • B44B5/0023 - actuated by a lever
  • B44B5/026 - Dies
  • B31F2201/0702 - by tools working discontinuously

• US Classifications

  • 101 - Printing