2147140

Information

• Patent Grant
• 2147140

• References
• Source

• Patent Number

  2,147,140

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1939
  86 years ago

• CPC

  • H03J1/063 - Special arrangements taken in correlation with the wear; Suppressing backlash; Locking in a desired position

• US Classifications

  • 116 - Signals and indicators