1834272

Information

• Patent Grant
• 1834272

• References
• Source

• Patent Number

  1,834,272

• Date Filed

  Not available

• Date Issued

  Tuesday, December 1, 1931
  93 years ago

• CPC

  • H03J1/12 - Friction drive
  • Y10S116/23 - Movable index

• US Classifications

  • 074 - Machine element or mechanism
  • 116 - Signals and indicators