1644323

Information

• Patent Grant
• 1644323

• References
• Source

• Patent Number

  1,644,323

• Date Filed

  Not available

• Date Issued

  Tuesday, October 4, 1927
  97 years ago

• CPC

  • E05B35/003 - for keys with movable bits
  • Y10T70/5341 - Key operable only
  • Y10T70/7802 - Multi-part structures
  • Y10T70/7831 - Nested second key

• US Classifications

  • 070 - Locks