1802978

Information

• Patent Grant
• 1802978

• References
• Source

• Patent Number

  1,802,978

• Date Filed

  Not available

• Date Issued

  Tuesday, April 28, 1931
  93 years ago

• CPC

  • B29C45/0408 - involving at least a linear movement
  • B29C2045/0475 - continuously movable moulds

• US Classifications

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