1981509

Information

• Patent Grant
• 1981509

• References
• Source

• Patent Number

  1,981,509

• Date Filed

  Not available

• Date Issued

  Tuesday, November 20, 1934
  90 years ago

• CPC

  • B65H27/00 - Special constructions of feed or guide rollers and surfaces thereof
  • B65H2404/1121 - for changing diameter
  • B65H2511/11 - Length

• US Classifications

  • 492 - Roll or roller
  • 242 - Winding, tensioning, or guiding