1559020

Information

• Patent Grant
• 1559020

• References
• Source

• Patent Number

  1,559,020

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1925
  99 years ago

• CPC

  • B43M7/008 - with a cylindrical cutter
  • Y10S83/912 - Envelope openers
  • Y10T83/263 - With means to apply transient nonpropellant fluent material to tool or work
  • Y10T83/7607 - Normal to plane of cut
  • Y10T83/872 - With guard means
  • Y10T83/8817 - Axially entending cutting edge

• US Classifications

  • 083 - Cutting