1749813

Information

• Patent Grant
• 1749813

• References
• Source

• Patent Number

  1,749,813

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1930
  95 years ago

• CPC

  • B29D17/002 - Producing phonograph records
  • B29C33/305 - Mounting of moulds or mould support plates
  • B29C43/36 - Moulds for making articles of definite length
  • B29L2017/003 - Records or discs

• US Classifications

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