1375831

Information

• Patent Grant
• 1375831

• References
• Source

• Patent Number

  1,375,831

• Date Filed

  Not available

• Date Issued

  Tuesday, April 26, 1921
  104 years ago

• CPC

  • B29C43/02 - of articles of definite length
  • B29C33/04 - using liquids, gas or steam
  • B29C33/305 - Mounting of moulds or mould support plates
  • B29C43/56 - Compression moulding under special conditions
  • B29D17/002 - Producing phonograph records
  • B29C33/048 - using steam
  • B29L2017/003 - Records or discs

• US Classifications

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