3590720

Information

• Patent Grant
• 3590720

• References
• Source

• Patent Number

  3,590,720

• Date Filed

  Not available

• Date Issued

  Tuesday, July 6, 1971
  53 years ago

• CPC

  • F23L17/10 - wherein the top moves as a whole

• US Classifications

  • 454 - Ventilation
  • 384 - Bearings