2656889

Information

• Patent Grant
• 2656889

• References
• Source

• Patent Number

  2,656,889

• Date Filed

  Not available

• Date Issued

  Tuesday, October 27, 1953
  71 years ago

• CPC

  • B43M7/005 - with at least two cutting discs
  • Y10S30/03 - Envelope openers
  • Y10T74/19047 - Worm-type gearing
  • Y10T83/544 - With trip-switch in work-sensing mechanism
  • Y10T83/7797 - Including means to rotate both elements of tool pair

• US Classifications

  • 083 - Cutting
  • 030 - Cutlery
  • 074 - Machine element or mechanism