2990307

Information

• Patent Grant
• 2990307

• References
• Source

• Patent Number

  2,990,307

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1961
  64 years ago

• CPC

  • E04C2/16 - of fibres, chips, vegetable stems, or the like
  • C03C25/26 - Macromolecular compounds or prepolymers
  • D04H1/587 - characterised by the bonding agents used
  • D04H1/64 - the bonding agent being applied in wet state
  • Y10S238/01 - Track structure assembled by gluing

• US Classifications

  • 162 - Paper making and fiber liberation
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 238 - Railways: surface track
  • 524 - Synthetic resins or natural rubbers
  • 525 - Synthetic resins or natural rubbers