US PATENT SUBCLASS 313 / 324
.~ With casing or jacket


Current as of: June, 1999
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313 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES

323  DF  COMBINED {1}
324.~ With casing or jacket


DEFINITION

Classification: 313/324

(under subclass 323) Subject matter where the lamp or discharge device is provided with a jacket or casing which wholly or partially surrounds the lamp or discharge device.

(1) Note. This subclass does not provide for lamps (including those of the discharge device type) in combination with a separable casing or jacket for the lamp. For the classification of the excluded subject matter, see the class definition. Likewise, this subclass does not provide for certain types of discharge devices such as cathode-ray tubes and photo-cells in combination with a separable casing or jacket therefor. For the classification of this excluded subject matter, see the class definition. See the class

definition where the structure includes means for modifying the temperature of the lamp or discharge device. Separable casings and jackets, per se, are provided for in other classes. See the class definition where the casing or jacket is designed for use with temperature modifying means for the lamp or discharge device or includes temperature modifying means and for the classification of miscellaneous separable casings and jackets, per se.

SEE OR SEARCH THIS CLASS, SUBCLASS:

36, where the device is provided with a jacket or casing for directing the flow of a temperature modifying medium about some part of the device.

312, and the subclasses specified in the notes thereto, where the lamp or the discharge device is provided with an envelope and a casing or jacket which wholly or partially encloses the envelope.

313, where the casing includes means for shielding the enclosed device or is provided with means for preventing the accumulation of static charges upon the casing or jacket. 317+, and the subclass specified in the notes thereto where the casing or jacket is an envelope for the lamp or discharge device.