3641603

Information

• Patent Grant
• 3641603

• References
• Source

• Patent Number

  3,641,603

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • B29D35/0063 - Moulds
  • A43D8/006 - for forming shoe stiffeners
  • A43D8/12 - Patterns or templates therefor
  • A43D8/28 - Patterns for drawing cut-outs
  • A43D27/00 - Machines for trimming as an intermediate operation
  • A43D29/00 - Machines for making soles from strips of material
  • B29C51/10 - Forming by pressure difference
  • B29D35/0072 - Last constructions; Mountings therefor
  • B29D35/14 - Multilayered parts
  • B29C43/12 - using bags surrounding the moulding material or using membranes contacting the moulding material
  • B29L2031/505 - Uppers

• US Classifications

  • 012 - Boot and shoe making