3604660

Information

• Patent Grant
• 3604660

• References
• Source

• Patent Number

  3,604,660

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1971
  53 years ago

• CPC

  • B64C27/32 - Rotors
  • B64C2700/6294 - Construction parts

• US Classifications

  • 244 - Aeronautics and astronautics
  • 324 - Electricity: measuring and testing
  • 396 - Photography