2219281

Information

• Patent Grant
• 2219281

• References
• Source

• Patent Number

  2,219,281

• Date Filed

  Not available

• Date Issued

  Tuesday, October 29, 1940
  85 years ago

• CPC

  • E04F17/023 - made of masonry, concrete or other stone-like material; Insulating measures and joints therefor

• US Classifications

  • 052 - Static structures
  • 110 - Furnaces