1509551

Information

• Patent Grant
• 1509551

• References
• Source

• Patent Number

  1,509,551

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1924
  100 years ago

• CPC

  • B63H16/04 - Oars Sculls Paddles Poles
  • A63B35/06 - with twin-bladed paddles or buoyant members
  • B65H16/04 - cantilever type
  • A63B2225/62 - Inflatable

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices
  • 416 - Fluid reaction surfaces