3722697

Information

• Patent Grant
• 3722697

• References
• Source

• Patent Number

  3,722,697

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  52 years ago

• CPC

  • A61M5/165 - Filtering accessories
  • B29C37/0082 - Mechanical anchoring
  • B29C65/08 - using ultrasonic vibrations
  • B29C66/30341 - non-integral with the parts to be joined
  • B29C66/53425 - said substantially flat extra element being perforated
  • B29C66/5344 - said single elements being substantially annular, i.e. of finite length
  • B29C66/612 - Making circumferential joints
  • B29C66/7392 - characterised by the material of at least one of the parts being a thermoplastic
  • A61M2005/1652 - Filter with duct
  • B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29K2105/206 - Meshes, lattices, nets
  • B29K2705/00 - Use of metals, their alloys or their compounds, for preformed parts
  • B29L2031/14 - Filters
  • B29L2031/7544 - Injection needles, syringes

• US Classifications

  • 210 - Liquid purification or separation
  • 604 - Surgery