3669590

Information

• Patent Grant
• 3669590

• References
• Source

• Patent Number

  3,669,590

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • B29D35/061 - by injection moulding
  • A43D25/08 - Welt hold-down devices
  • B29D35/065 - by compression moulding, vulcanising or the like

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus
  • 012 - Boot and shoe making