2222911

Information

• Patent Grant
• 2222911

• References
• Source

• Patent Number

  2,222,911

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1940
  84 years ago

• CPC

  • G04B39/025 - without special sealing parts

• US Classifications

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