3691645

Information

• Patent Grant
• 3691645

• References
• Source

• Patent Number

  3,691,645

• Date Filed

  Not available

• Date Issued

  Tuesday, September 19, 1972
  52 years ago

• CPC

  • D06F49/003 - Doors or covers; Safety arrangements

• US Classifications

  • 034 - Drying and gas or vapor contact with solids
  • 192 - Clutches and power-stop control
  • 210 - Liquid purification or separation