2857881

Information

• Patent Grant
• 2857881

• References
• Source

• Patent Number

  2,857,881

• Date Filed

  Not available

• Date Issued

  Tuesday, October 28, 1958
  66 years ago

• CPC

  • B65D85/28 - for pencils or pens
  • B43L23/08 - in which the pencils or leads are sharpened mainly by rotational movement against cutting blades
  • B65D5/5014 - and with an integral end closure

• US Classifications

  • 030 - Cutlery
  • 206 - Special receptacle or package
  • 229 - Envelopes, wrappers, and paperboard boxes