2236552

Information

• Patent Grant
• 2236552

• References
• Source

• Patent Number

  2,236,552

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1941
  83 years ago

• CPC

  • A43D25/126 - Devices for glueing coverings on heels
  • B29C61/0608 - characterised by the configuration or structure of the preforms
  • B29C63/16 - applied by "rubber" bag or diaphragm
  • B29C63/182 - applied by a "rubber" bag or diaphragm
  • B29C63/42 - using tubular layers or sheathings
  • B29L2031/502 - Heels
  • Y10S264/50 - Use of fluid pressure in molding
  • Y10S264/71 - Processes of shaping by shrinking
  • Y10T29/49863 - with prestressing of part

• US Classifications

  • 036 - Boots, shoes, and leggings
  • 012 - Boot and shoe making
  • 029 - Metal working
  • 053 - Package making
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 264 - Plastic and nonmetallic article shaping or treating: processes