(under subclass 64.1) Subject matter wherein the circular D-5 sheet or blank is to be utilized as a means for stopping or reducing motion; e.g., brake or clutch, etc.
SEE OR SEARCH CLASS
188, Brakes, appropriate subclasses, for a product having frictional properties where said property is enhanced by claimed external structure (e.g., disc shape, surface configuration or internal structure such as discrete zones of friction material or particular arrangements of strands*, fibers* or layers* and where the sole disclosure is that the product is used as a brake.
192, Clutches and Power-Stop Control, appropriate subclasses for a product as above described and in which the product is solely disclosed as used for a clutch, or as a brake or clutch alternatively.
