3881972

Information

• Patent Grant
• 3881972

• References
• Source

• Patent Number

  3,881,972

• Date Filed

  Not available

• Date Issued

  Tuesday, May 6, 1975
  49 years ago

• CPC

  • B29C67/227 - the preformed parts being three-dimensional structures
  • B29C70/24 - oriented in at least three directions forming a three dimensional structure
  • D04H3/07 - otherwise than in a plane
  • F17C13/001 - Thermal insulation specially adapted for cryogenic vessels
  • Y10S220/901 - Liquified gas content, cryogenic
  • Y10S220/902 - Foam
  • Y10S428/92 - Fire or heat protection feature
  • Y10T428/23914 - Interlaminar
  • Y10T428/249976 - Voids specified as closed

• US Classifications

  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 220 - Receptacles
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 428 - Stock material or miscellaneous articles