1838501

Information

• Patent Grant
• 1838501

• References
• Source

• Patent Number

  1,838,501

• Date Filed

  Not available

• Date Issued

  Tuesday, December 29, 1931
  93 years ago

• CPC

  • G04C15/0018 - provided with hand-actuated starting device

• US Classifications

  • 310 - Electrical generator or motor structure
  • 368 - Horology: time measuring systems or devices
  • 968 - Horology