3784174

Information

• Patent Grant
• 3784174

• References
• Source

• Patent Number

  3,784,174

• Date Filed

  Not available

• Date Issued

  Tuesday, January 8, 1974
  51 years ago

• CPC

  • F02B75/34 - Ultra-small engines
  • F02M19/12 - External control gear
  • Y10S261/02 - Airplane

• US Classifications

  • 261 - Gas and liquid contact apparatus
  • 244 - Aeronautics and astronautics
  • 446 - Amusement devices: toys