1953978

Information

• Patent Grant
• 1953978

• References
• Source

• Patent Number

  1,953,978

• Date Filed

  Not available

• Date Issued

  Tuesday, April 10, 1934
  91 years ago

• CPC

  • C11C5/021 - by compressing solid materials in a mould without heating

• US Classifications

  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 425 - Plastic article or earthenware shaping or treating: apparatus