2842050

Information

• Patent Grant
• 2842050

• References
• Source

• Patent Number

  2,842,050

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1958
  66 years ago

• CPC

  • B41L1/34 - for making masters for hectographic duplicators

• US Classifications

  • 101 - Printing
  • 040 - Card, picture, or sign exhibiting
  • 229 - Envelopes, wrappers, and paperboard boxes