3478507

Information

• Patent Grant
• 3478507

• References
• Source

• Patent Number

  3,478,507

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1969
  55 years ago

• CPC

  • G04B37/0436 - Clockwork movements coming out without springs, for allowing time reading or winding

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 220 - Receptacles
  • 248 - Supports
  • 968 - Horology
  • D10 - Measuring, testing, or signalling instruments