US PATENT SUBCLASS 493 / 10
.~.~ By use of photocell condition sensor

Current as of: June, 1999
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493 /   HD   MANUFACTURING CONTAINER OR TUBE FROM PAPER; OR OTHER MANUFACTURING FROM A SHEET OR WEB

3  DF  CONTROL MEANS ENERGIZED IN RESPONSE TO ACTIVATOR STIMULATED BY CONDITION SENSOR {5}
8  DF  .~ Responsive to work material, the product or means engaging the work material or the product {13}
10.~.~ By use of photocell condition sensor {3}
11  DF  .~.~.~> Responsive to mark or indicia on work
12  DF  .~.~.~> Responsive to defective or missing work
13  DF  .~.~.~> Plural sensors {1}

DEFINITION

Classification: 493/10

By use of photocell condition sensor:

(under subclass 8) Method or apparatus including use of detecting means responsive to luminous energy and adapted to emit electrical impulses to regulate the operation of the apparatus.