1709755

Information

• Patent Grant
• 1709755

• References
• Source

• Patent Number

  1,709,755

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1929
  95 years ago

• CPC

  • B28B1/008 - made from two or more materials having different characteristics or properties
  • B28B7/0058 - Moulds, cores or mandrels with provisions concerning the elimination of superfluous material; Moulds with burr-removing means provided therein or carried thereby
  • B28B13/02 - Feeding the unshaped material to moulds or apparatus for producing shaped articles
  • Y10S425/111 - Hollow block

• US Classifications

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