1973898

Information

• Patent Grant
• 1973898

• References
• Source

• Patent Number

  1,973,898

• Date Filed

  Not available

• Date Issued

  Tuesday, September 18, 1934
  90 years ago

• CPC

  • G04B5/24 - Protecting means preventing overwinding

• US Classifications

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