3692454

Information

• Patent Grant
• 3692454

• References
• Source

• Patent Number

  3,692,454

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • B29C51/343 - having recessed undersurfaces

• US Classifications

  • 425 - Plastic article or earthenware shaping or treating: apparatus