1767949

Information

• Patent Grant
• 1767949

• References
• Source

• Patent Number

  1,767,949

• Date Filed

  Not available

• Date Issued

  Tuesday, June 24, 1930
  94 years ago

• CPC

  • G04C11/04 - over a line
  • Y10T307/615 - Substitute or emergency source

• US Classifications

  • 368 - Horology: time measuring systems or devices
  • 307 - Electrical transmission or interconnection systems
  • 968 - Horology