2447512

Information

• Patent Grant
• 2447512

• References
• Source

• Patent Number

  2,447,512

• Date Filed

  Not available

• Date Issued

  Tuesday, August 24, 1948
  76 years ago

• CPC

  • B29D35/061 - by injection moulding
  • A43D81/00 - Machines for attaching top-lifts
  • B29C65/542 - by injection
  • B29C66/8322 - Joining or pressing tools reciprocating along one axis
  • B29C66/5346 - said single elements being substantially flat
  • B29C66/61 - Joining from or joining on the inside
  • B29L2031/50 - Footwear
  • B29L2031/502 - Heels

• US Classifications

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