1237886

Information

• Patent Grant
• 1237886

• References
• Source

• Patent Number

  1,237,886

• Date Filed

  Not available

• Date Issued

  Tuesday, August 21, 1917
  107 years ago

• CPC

  • B41L39/14 - Automatic control of tripping devices by feelers, photoelectric devices, pneumatic devices, or other detectors
  • B65H7/04 - responsive to absence of articles

• US Classifications

  • 101 - Printing