(under subclass 141) Implement in which the element is a liquid or viscous substance.
(1) Note. This subclass will take a patent to a follower comprising: (a) a solid element and a fluid substance, other than coating material, surrounding the element so as to be in contact with and to conform to the reservoir wall, or (b) a porous mass impregnated with liquid or viscous material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
190, for an Aerosol implement in which a gas under super atmospheric pressure is in contact with the material, or with a follower in contact with the material, in the reservoir; and see the search notes thereto.