3889473

Information

• Patent Grant
• 3889473

• References
• Source

• Patent Number

  3,889,473

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1975
  49 years ago

• CPC

  • E02B15/02 - from ice otherwise than according to E02B1/003
  • E02B1/00 - Equipment or apparatus for, or methods of, general hydraulic engineering
  • E02B3/00 - Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites Sealing or joints for engineering works in general

• US Classifications

  • 405 - Hydraulic and earth engineering