3431693

Information

• Patent Grant
• 3431693

• References
• Source

• Patent Number

  3,431,693

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1969
  55 years ago

• CPC

  • F27D1/021 - Suspended roofs
  • F23M5/06 - Crowns or roofs for combustion chambers

• US Classifications

  • 052 - Static structures
  • 110 - Furnaces