2838890

Information

• Patent Grant
• 2838890

• References
• Source

• Patent Number

  2,838,890

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1958
  66 years ago

• CPC

  • D21H19/20 - comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • B24D11/00 - Constructional features of flexible abrasive materials Special features in the manufacture of such materials
  • B24D11/005 - Making abrasive webs
  • D21H5/025 - Webs provided with apertures
  • D21H17/34 - obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D21H27/00 - Special paper not otherwise provided for
  • Y10T428/24331 - including nonapertured component

• US Classifications

  • 451 - Abrading
  • 428 - Stock material or miscellaneous articles