3742310

Information

• Patent Grant
• 3742310

• References
• Source

• Patent Number

  3,742,310

• Date Filed

  Not available

• Date Issued

  Tuesday, June 26, 1973
  51 years ago

• CPC

  • B41J9/52 - for checking the operation of print hammers
  • B41J29/393 - Devices for controlling or analysing the entire machine; Controlling or analysing mechanical parameters involving printing of test patterns

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 101 - Printing
  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets