1917778

Information

• Patent Grant
• 1917778

• References
• Source

• Patent Number

  1,917,778

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1933
  91 years ago

• CPC

  • E05B63/003 - with key ejection means
  • Y10S70/30 - Switch lock
  • Y10S70/36 - Spring-returned lock cylinder
  • Y10T70/7763 - Key ejecting
  • Y10T70/7876 - Bow or head

• US Classifications

  • 070 - Locks