3376658

Information

• Patent Grant
• 3376658

• References
• Source

• Patent Number

  3,376,658

• Date Filed

  Not available

• Date Issued

  Tuesday, April 9, 1968
  56 years ago

• CPC

  • G09B9/46 - the aircraft being a helicopter
  • B64C27/32 - Rotors
  • B64C2700/6294 - Construction parts

• US Classifications

  • 434 - Education and demonstration