3221647

Information

• Patent Grant
• 3221647

• References
• Source

• Patent Number

  3,221,647

• Date Filed

  Not available

• Date Issued

  Tuesday, December 7, 1965
  59 years ago

• CPC

  • B41K1/24 - Rocking stamps
  • B41K1/32 - for stencilling

• US Classifications

  • 101 - Printing
  • 015 - Brushing, scrubbing, and general cleaning
  • D18 - Printing and office machinery