3643809

Information

• Patent Grant
• 3643809

• References
• Source

• Patent Number

  3,643,809

• Date Filed

  Not available

• Date Issued

  Tuesday, February 22, 1972
  53 years ago

• CPC

  • B41L49/00 - Accessories or attachments for addressographs or like series-printing machines
  • B41L19/00 - Duplicating or printing apparatus or machines for office or other commercial purposes, of special types or for particular purposes and not otherwise provided for

• US Classifications

  • 211 - Supports: racks