1408685

Information

• Patent Grant
• 1408685

• References
• Source

• Patent Number

  1,408,685

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1922
  102 years ago

• CPC

  • B28B7/183 - for building blocks or similar block-shaped objects
  • B28B7/0082 - with surfaces for moulding parallel grooves or ribs
  • B28B7/28 - Cores Mandrels
  • Y10S425/124 - Rubber matrix

• US Classifications

  • 249 - Static molds
  • 099 - Foods and beverages: apparatus
  • 425 - Plastic article or earthenware shaping or treating: apparatus