1840816

Information

• Patent Grant
• 1840816

• References
• Source

• Patent Number

  1,840,816

• Date Filed

  Not available

• Date Issued

  Tuesday, January 12, 1932
  93 years ago

• CPC

  • B31F1/07 - Embossing , i.e. producing impressions formed by locally deep-drawing
  • B31F2201/0702 - by tools working discontinuously

• US Classifications

  • 101 - Printing