US PATENT SUBCLASS 493 / 17
.~.~ By use of plural sensors

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
17.~.~ By use of plural sensors {1}
18  DF  .~.~.~> Plural interrelated sensors {1}

DEFINITION

Classification: 493/17

By use of plural sensors:

(under subclass 8) Method or apparatus including a first detecting means and including a second detecting means.

(1) Note. This subclass is not intended to exclude more than two detectors.

SEE OR SEARCH THIS CLASS, SUBCLASS:

13+, for an operation of this class including the use of a photocell and another sensor.