2850774

Information

• Patent Grant
• 2850774

• References
• Source

• Patent Number

  2,850,774

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1958
  66 years ago

• CPC

  • E06B5/06 - with fixed metal frames
  • E06B3/38 - with a horizontal axis of rotation at the top or bottom of the opening
  • Y10T292/1041 - Rigid operating means

• US Classifications

  • 049 - Movable or removable closures
  • 292 - Closure fasteners