1488644

Information

• Patent Grant
• 1488644

• References
• Source

• Patent Number

  1,488,644

• Date Filed

  Not available

• Date Issued

  Tuesday, April 1, 1924
  100 years ago

• CPC

  • B28B7/183 - for building blocks or similar block-shaped objects
  • Y10S425/128 - Swinging top press

• US Classifications

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