1421282

Information

• Patent Grant
• 1421282

• References
• Source

• Patent Number

  1,421,282

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1922
  102 years ago

• CPC

  • B30B9/166 - the screws being coaxially disposed in the same chamber
  • B30B9/12 - using pressing worms or screws co-operating with a permeable casing

• US Classifications

  • 100 - Presses