2639178

Information

• Patent Grant
• 2639178

• References
• Source

• Patent Number

  2,639,178

• Date Filed

  Not available

• Date Issued

  Tuesday, May 19, 1953
  71 years ago

• CPC

  • E05C3/122 - flush
  • Y10S70/54 - Double-ended spring
  • Y10T292/1062 - Spring retracted

• US Classifications

  • 292 - Closure fasteners
  • 070 - Locks