3928844

Information

• Patent Grant
• 3928844

• References
• Source

• Patent Number

  3,928,844

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1975
  49 years ago

• CPC

  • G08B21/187 - Machine fault alarms
  • B41F33/12 - for starting or stopping the machine as a whole
  • B65H26/025 - responsive to web breakage
  • F16P7/02 - by causing the machine to stop on the occurence of dangerous conditions therein
  • Y10T83/543 - Sensing means responsive to work indicium or irregularity

• US Classifications

  • 226 - Advancing material of indeterminate length
  • 083 - Cutting
  • 101 - Printing
  • 242 - Winding, tensioning, or guiding
  • 271 - Sheet feeding or delivering
  • 340 - Communications: electrical