3622659

Information

• Patent Grant
• 3622659

• References
• Source

• Patent Number

  3,622,659

• Date Filed

  Not available

• Date Issued

  Tuesday, November 23, 1971
  53 years ago

• CPC

  • B29C33/3857 - by making impressions of one or more parts of models
  • B29C33/40 - Plastics
  • B29C43/003 - characterised by the choice of material
  • B29C43/021 - characterised by the shape of the surface
  • B41C3/00 - Reproduction or duplicating of printing formes
  • B41C3/02 - Stereotyping
  • B29K2069/00 - Use of PC
  • B29K2071/00 - Use of polyethers, e.g. PEEK
  • B29L2031/757 - Moulds, cores, dies

• US Classifications

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