3673955

Information

• Patent Grant
• 3673955

• References
• Source

• Patent Number

  3,673,955

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1972
  53 years ago

• CPC

  • B41J9/52 - for checking the operation of print hammers

• US Classifications

  • 101 - Printing
  • 235 - Registers
  • 400 - Typewriting machines