1812143

Information

• Patent Grant
• 1812143

• References
• Source

• Patent Number

  1,812,143

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1931
  93 years ago

• CPC

  • B64C15/12 - the power plant being tiltable
  • B64C25/40 - the elements being rotated before touch-down
  • B64C25/405 - Powered wheels
  • B64C25/62 - Spring shock-absorbers Springs
  • B64D15/02 - by ducted hot gas or liquid
  • B64D33/06 - Silencing exhaust or propulsion jets
  • B64F2700/6238 - Power driven wheels

• US Classifications

  • 244 - Aeronautics and astronautics