1857233

Information

• Patent Grant
• 1857233

• References
• Source

• Patent Number

  1,857,233

• Date Filed

  Not available

• Date Issued

  Tuesday, May 10, 1932
  92 years ago

• CPC

  • B28B21/80 - adapted to centrifugal or rotational moulding

• US Classifications

  • 249 - Static molds