1776371

Information

• Patent Grant
• 1776371

• References
• Source

• Patent Number

  1,776,371

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1930
  94 years ago

• CPC

  • E02B9/025 - automatically movable
  • Y02E10/22 - Conventional

• US Classifications

  • 405 - Hydraulic and earth engineering