1850221

Information

• Patent Grant
• 1850221

• References
• Source

• Patent Number

  1,850,221

• Date Filed

  Not available

• Date Issued

  Tuesday, March 22, 1932
  92 years ago

• CPC

  • C04B38/064 - Natural expanding materials
  • F27B7/33 - Arrangement of devices for discharging
  • F27D2099/0088 - Apparatus to cut metal
  • F27M2003/02 - Preheating

• US Classifications

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