2691189

Information

• Patent Grant
• 2691189

• References
• Source

• Patent Number

  2,691,189

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1954
  70 years ago

• CPC

  • B29C33/0033 - constructed for making articles provided with holes
  • B29C44/583 - for making articles with cavities
  • B29D99/0092 - Producing upholstery articles
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29L2031/751 - Mattresses, cushions
  • Y10S264/11 - Molding styropor using steam probes-batch

• US Classifications

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