2493458

Information

• Patent Grant
• 2493458

• References
• Source

• Patent Number

  2,493,458

• Date Filed

  Not available

• Date Issued

  Tuesday, January 3, 1950
  75 years ago

• CPC

  • C21B9/06 - Linings
  • Y10S165/035 - in casing

• US Classifications

  • 165 - Heat exchange
  • 052 - Static structures
  • 404 - Road structure, process, or apparatus
  • D25 - Building units and construction elements