1889997

Information

• Patent Grant
• 1889997

• References
• Source

• Patent Number

  1,889,997

• Date Filed

  Not available

• Date Issued

  Tuesday, December 6, 1932
  92 years ago

• CPC

  • B68G11/02 - mainly composed of fibrous materials
  • Y10T428/24537 - Parallel ribs and/or grooves

• US Classifications

  • 028 - Textiles: manufacturing
  • 428 - Stock material or miscellaneous articles