2475435

Information

• Patent Grant
• 2475435

• References
• Source

• Patent Number

  2,475,435

• Date Filed

  Not available

• Date Issued

  Tuesday, July 5, 1949
  75 years ago

• CPC

  • B28B7/183 - for building blocks or similar block-shaped objects
  • B28B7/0082 - with surfaces for moulding parallel grooves or ribs

• US Classifications

  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus