1518748

Information

• Patent Grant
• 1518748

• References
• Source

• Patent Number

  1,518,748

• Date Filed

  Not available

• Date Issued

  Tuesday, December 9, 1924
  100 years ago

• CPC

  • E05B35/12 - requiring the use of two keys
  • Y10T70/7531 - Transverse
  • Y10T70/7537 - Rotary or swinging tumblers

• US Classifications

  • 070 - Locks