3597809

Information

• Patent Grant
• 3597809

• References
• Source

• Patent Number

  3,597,809

• Date Filed

  Not available

• Date Issued

  Tuesday, August 10, 1971
  53 years ago

• CPC

  • E05F1/006 - by emergency conditions
  • A62C2/14 - with two or more blades
  • A62C2/247 - electric
  • E05Y2201/41 - for closing
  • E05Y2201/50 - Weights
  • Y10S24/37 - Third member consists of unitary elongated element
  • Y10T16/22 - Thermally released check or closer
  • Y10T24/4511 - Link with pivoted gate
  • Y10T24/49 - Fastener destructively secured by reshaping distortion force [e.g., ductile fastener]

• US Classifications

  • 016 - Miscellaneous hardware
  • 024 - Buckles, buttons, clasps, etc.
  • 049 - Movable or removable closures