2981980

Information

• Patent Grant
• 2981980

• References
• Source

• Patent Number

  2,981,980

• Date Filed

  Not available

• Date Issued

  Tuesday, May 2, 1961
  63 years ago

• CPC

  • B29D11/00634 - Production of filters
  • G02B5/3033 - in the form of a thin sheet or foil
  • Y10S260/41 - Glass flake
  • Y10S264/53 - Processes of using glass filter in molding process
  • Y10T428/29 - Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 065 - Glass manufacturing
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 260 - Chemistry of carbon compounds
  • 359 - Optical: systems and elements
  • 428 - Stock material or miscellaneous articles
  • 524 - Synthetic resins or natural rubbers