3740615

Information

• Patent Grant
• 3740615

• References
• Source

• Patent Number

  3,740,615

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

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

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 101 - Printing
  • 340 - Communications: electrical
  • 400 - Typewriting machines