2980217

Information

• Patent Grant
• 2980217

• References
• Source

• Patent Number

  2,980,217

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1961
  64 years ago

• CPC

  • E06B3/728 - of sheet metal
  • E06B3/96 - Corner joints or edge joints for windows, doors, or the like frames or wings

• US Classifications

  • 052 - Static structures
  • D25 - Building units and construction elements