2777537

Information

• Patent Grant
• 2777537

• References
• Source

• Patent Number

  2,777,537

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1957
  67 years ago

• CPC

  • B64D17/56 - responsive to barometric pressure

• US Classifications

  • 185 - Motors: spring, weight, or animal powered