2674764

Information

• Patent Grant
• 2674764

• References
• Source

• Patent Number

  2,674,764

• Date Filed

  Not available

• Date Issued

  Tuesday, April 13, 1954
  72 years ago

• CPC

  • B29C43/224 - having a profiled section
  • B29C53/043 - using rolls or endless belts
  • B29C67/0011 - for shaping plates or sheets
  • B29C69/001 - a shaping technique combined with cutting
  • B29C47/0019 - Flat rigid articles
  • B29C47/0021 - Flat flexible articles
  • B29C47/004 - Extrusion moulding combined with compression moulding
  • B29K2095/00 - Use of bituminous materials as moulding material
  • B29K2709/12 - Asbestos
  • B29L2031/10 - Building elements

• US Classifications

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