Devices having means for emptying, and replenishing the oil in the crank case, transmission case, or differential casing of an automobile.
(1) Note. This subclass will take devices adapted to perform any one of the above functions alone, unless the device (if for emptying or replenishing) is one which could be used for dispensing or emptying for any purpose. In these instances classification might be in either Class 222, Dispensing, or Class 417, Pumps, respectively.
SEE OR SEARCH CLASS
134, Cleaning and Liquid Contact With Solids, the line being: (a) Processes of cleaning crank, transmission or differential casing, per se, are in Class 134 or other appropriate class under the lines with Class 134, even though involving the operation of the apparatus cleaned, where only such operation is claimed as is necessary for the cleaning operation. Processes of combined cleaning and lubricating or lubricating, per se, are in Class 184; and (b) apparatus disclosed for cleaning only of crank, transmission, or differential casings, or for removing of lubricant from the same and cleaning, is in Class 134 or other appropriate class under the lines with Class 134, and even though a combination with the casing is claimed, as well as apparatus disclosed generically for cleaning or lubricating. Class 184 has apparatus disclosed for lubricating only, or combined apparatus for cleaning and lubricating and also apparatus for merely removing lubricant or for removing, cleaning, and returning the cleaned lubricant.
222, Dispensing, see (1) Note.
417, Pumps, see (1) Note.
418, Rotary Expansible Chamber Devices, see (1) Note.
