3817389

Information

• Patent Grant
• 3817389

• References
• Source

• Patent Number

  3,817,389

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 years ago

• CPC

  • A61M5/165 - Filtering accessories
  • A61M5/3145 - Filters incorporated in syringes
  • B01D35/00 - Other filtering devices Auxiliary devices for filtration Filter housing constructions
  • B29C65/46 - heated by induction
  • B29C65/7847 - using vacuum to hold at least one of the parts to be joined
  • B29C66/612 - Making circumferential joints
  • B29C66/7392 - characterised by the material of at least one of the parts being a thermoplastic
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • A61M2005/1652 - Filter with duct
  • B29C66/5344 - said single elements being substantially annular, i.e. of finite length
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29L2031/14 - Filters
  • B29L2031/7544 - Injection needles, syringes

• US Classifications

  • 210 - Liquid purification or separation
  • 604 - Surgery