3013834

Information

• Patent Grant
• 3013834

• References
• Source

• Patent Number

  3,013,834

• Date Filed

  Not available

• Date Issued

  Tuesday, December 19, 1961
  63 years ago

• CPC

  • B64D17/56 - responsive to barometric pressure

• US Classifications

  • 294 - Handling: hand and hoist-line implements
  • 073 - Measuring and testing
  • 116 - Signals and indicators
  • 244 - Aeronautics and astronautics