3810667

Information

• Patent Grant
• 3810667

• References
• Source

• Patent Number

  3,810,667

• Date Filed

  Not available

• Date Issued

  Tuesday, May 14, 1974
  50 years ago

• CPC

  • E05C3/048 - parallel to the wing edge
  • Y10S292/09 - Hinge plate fasteners secured to upper sash
  • Y10T292/394 - Swinging holding member
  • Y10T292/79 - Bolt guards

• US Classifications

  • 292 - Closure fasteners