3691992

Information

• Patent Grant
• 3691992

• References
• Source

• Patent Number

  3,691,992

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • B28B21/94 - for impregnating or coating by applying liquids or semi-liquids

• US Classifications

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