3771934

Information

• Patent Grant
• 3771934

• References
• Source

• Patent Number

  3,771,934

• Date Filed

  Not available

• Date Issued

  Tuesday, November 13, 1973
  51 years ago

• CPC

  • H01B13/185 - by periodically constricting an insulating sleeve
  • B29C47/0028 - Multi-passage hollow articles
  • B29C47/02 - incorporating preformed parts or layers
  • B29C47/20 - with annular opening
  • H01B13/14 - by extrusion
  • B29C47/003 - Articles having cross-sectional irregularities
  • B29L2031/60 - Multitubular or multicompartmented articles

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 264 - Plastic and nonmetallic article shaping or treating: processes