1974151

Information

• Patent Grant
• 1974151

• References
• Source

• Patent Number

  1,974,151

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1934
  90 years ago

• CPC

  • E06B7/20 - automatically withdrawn when the wing is opened
  • E06B2007/202 - Actuator connected to wing frame

• US Classifications

  • 049 - Movable or removable closures