471725

Information

• Patent Grant
• 471725

• References
• Source

• Patent Number

  471,725

• Date Filed

  Not available

• Date Issued

  Tuesday, March 29, 1892
  132 years ago

• CPC

  • B64C35/00 - Flying-boats Seaplanes
  • G05D7/0193 - using hydraulic or pneumatic amplifiers, relays or transmitters
  • Y10T137/0801 - Position relative body of water [e.g., marine governors]

• US Classifications

  • 137 - Fluid handling