2625728

Information

• Patent Grant
• 2625728

• References
• Source

• Patent Number

  2,625,728

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1953
  72 years ago

• CPC

  • B28B21/40 - by evacuating one or more of the mould parts; Vacuum machines
  • Y10S425/06 - Vacuum

• US Classifications

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