2547140

Information

• Patent Grant
• 2547140

• References
• Source

• Patent Number

  2,547,140

• Date Filed

  Not available

• Date Issued

  Tuesday, April 3, 1951
  73 years ago

• CPC

  • G04B27/086 - which, after displacing a supplementary part, may be used for winding

• US Classifications

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