3639922

Information

• Patent Grant
• 3639922

• References
• Source

• Patent Number

  3,639,922

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • B29C70/58 - comprising fillers only
  • A47K13/02 - of plastic materials
  • B29C51/10 - Forming by pressure difference
  • B29C63/22 - using layers or sheathings having a shape adapted to the shape of the article
  • B29C65/04 - Dielectric heating, e.g. high-frequency welding
  • B29C66/433 - Casing-in
  • B29C66/727 - being porous
  • B29L2031/7694 - Closets, toilets

• US Classifications

  • 004 - Baths, closets, sinks, and spittoons