1948989

Information

• Patent Grant
• 1948989

• References
• Source

• Patent Number

  1,948,989

• Date Filed

  Not available

• Date Issued

  Tuesday, February 27, 1934
  90 years ago

• CPC

  • B28B7/40 - characterised by means for modifying the properties of the moulding material
  • Y10S425/119 - Perforated or porous

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 034 - Drying and gas or vapor contact with solids
  • 249 - Static molds
  • 425 - Plastic article or earthenware shaping or treating: apparatus