2256329

Information

• Patent Grant
• 2256329

• References
• Source

• Patent Number

  2,256,329

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1941
  83 years ago

• CPC

  • B29D35/082 - injecting first the outer sole part
  • B29C35/02 - Heating or curing
  • B29D35/087 - forming first the outer sole part
  • B29D35/122 - Soles
  • B29K2021/00 - Use of unspecified rubbers as moulding material
  • B29K2105/045 - with open cells
  • B29K2105/24 - crosslinked or vulcanised
  • B29L2031/504 - Soles

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 036 - Boots, shoes, and leggings
  • 425 - Plastic article or earthenware shaping or treating: apparatus