2275653

Information

• Patent Grant
• 2275653

• References
• Source

• Patent Number

  2,275,653

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1942
  82 years ago

• CPC

  • B41L39/14 - Automatic control of tripping devices by feelers, photoelectric devices, pneumatic devices, or other detectors

• US Classifications

  • 101 - Printing
  • 174 - Electricity: conductors and insulators