1481159

Information

• Patent Grant
• 1481159

• References
• Source

• Patent Number

  1,481,159

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1924
  101 years ago

• CPC

  • B28B7/183 - for building blocks or similar block-shaped objects
  • B28B5/08 - intermittently rotated
  • Y10S425/111 - Hollow block

• US Classifications

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