3889893

Information

• Patent Grant
• 3889893

• References
• Source

• Patent Number

  3,889,893

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  50 years ago

• CPC

  • B41J33/34 - driven by motors indepently of the machine as a whole
  • B41J33/42 - manually
  • B41J33/44 - automatically

• US Classifications

  • 242 - Winding, tensioning, or guiding
  • 400 - Typewriting machines