1710228

Information

• Patent Grant
• 1710228

• References
• Source

• Patent Number

  1,710,228

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1929
  95 years ago

• CPC

  • G07C1/32 - Time-recording locks
  • Y10T70/8054 - With recorder

• US Classifications

  • 070 - Locks
  • 346 - Recorders