3788443

Information

• Patent Grant
• 3788443

• References
• Source

• Patent Number

  3,788,443

• Date Filed

  Not available

• Date Issued

  Tuesday, January 29, 1974
  50 years ago

• CPC

  • B41J5/22 - Interlocks between keys
  • B41J1/60 - with types or dies on spherical, truncated-spherical, or like surfaces
  • B41J7/64 - Pulley and strand mechanism

• US Classifications

  • 400 - Typewriting machines