1449930

Information

• Patent Grant
• 1449930

• References
• Source

• Patent Number

  1,449,930

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1923
  101 years ago

• CPC

  • B29B7/183 - having a casing closely surrounding the rotors
  • B29B7/246 - in mixers having more than one rotor and a casing closely surrounding the rotors
  • B29B7/248 - with plungers for introducing the material
  • B29B7/7461 - Combinations of dissimilar mixers

• US Classifications

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