2070812

Information

• Patent Grant
• 2070812

• References
• Source

• Patent Number

  2,070,812

• Date Filed

  Not available

• Date Issued

  Tuesday, February 16, 1937
  87 years ago

• CPC

  • E06B3/728 - of sheet metal
  • E06B3/988 - specially adapted for sheet metal frame members with an open U-shaped cross-section

• US Classifications

  • 052 - Static structures