1970227

Information

• Patent Grant
• 1970227

• References
• Source

• Patent Number

  1,970,227

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1934
  90 years ago

• CPC

  • D21G7/00 - Damping devices
  • Y10S162/07 - Water collectors
  • Y10T29/471 - of water laid fibrous article [e.g., paper]

• US Classifications

  • 162 - Paper making and fiber liberation
  • 029 - Metal working