438845

Information

• Patent Grant
• 438845

• References
• Source

• Patent Number

  438,845

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1890
  134 years ago

• CPC

  • B26D1/143 - rotating about a stationary axis
  • B26F1/36 - Punching or perforating pliers
  • Y10S29/053 - Workpiece and debris separator
  • Y10S83/923 - Waste product cutting
  • Y10T83/222 - With receptacle or support for cut product
  • Y10T83/4838 - With anvil backup

• US Classifications

  • 083 - Cutting
  • 029 - Metal working
  • 144 - Woodworking