2804746

Information

• Patent Grant
• 2804746

• References
• Source

• Patent Number

  2,804,746

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1957
  67 years ago

• CPC

  • G04B37/0445 - Clockwork movements which come out by spring action for time reading and winding

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 968 - Horology