1807907

Information

• Patent Grant
• 1807907

• References
• Source

• Patent Number

  1,807,907

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1931
  93 years ago

• CPC

  • E01D15/005 - Movable bridges in general ; Constructional elements peculiar to movable bridges
  • E01F13/046 - the obstructing members moving up in a translatory motion

• US Classifications

  • 014 - Bridges