2160791

Information

• Patent Grant
• 2160791

• References
• Source

• Patent Number

  2,160,791

• Date Filed

  Not available

• Date Issued

  Tuesday, May 30, 1939
  86 years ago

• CPC

  • E01D1/005 - Bowstring bridges
  • E01D2101/30 - Metal

• US Classifications

  • 052 - Static structures