3781021

Information

• Patent Grant
• 3781021

• References
• Source

• Patent Number

  3,781,021

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • B29C66/612 - Making circumferential joints
  • B29C65/562 - using extra joining elements
  • B29C65/565 - involving interference fits
  • E06B7/2303 - hollow
  • E06B7/2314 - characterised by the material
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • Y10S277/943 - Ceramic or glass

• US Classifications

  • 277 - Seal for a joint or juncture