1244020

Information

• Patent Grant
• 1244020

• References
• Source

• Patent Number

  1,244,020

• Date Filed

  Not available

• Date Issued

  Tuesday, October 23, 1917
  107 years ago

• CPC

  • B63C9/03 - enclosed
  • B63C2009/026 - Covered lifeboats, or life-rafts comprising self-levelling compartments for occupants
  • B63C2009/035 - Enclosed lifeboats, or the like
  • B63C2009/042 - inflatable
  • B63H1/32 - Flaps, pistons, or the like, reciprocating in propulsive direction
  • B63H16/18 - using sliding or pivoting handle or pedal
  • B63J2/10 - Ventilating-shaft Air-scoops

• US Classifications

  • 441 - Buoys, rafts, and aquatic devices