.~ Attaching means (i.e., adhesive, magnetic or vacuum viewing aid)
DEFINITION
Classification: 33/347
(under subclass 300) Device provided with means for mounting a directional indicator on an object or supporting member by (1) glue or other viscous substance, (2) the force of magnetism, or (3) atmospheric pressure acting on the indicator by reason of a reduced pressure beneath the indicator.
SEE OR SEARCH THIS CLASS, SUBCLASS:
370+, for other means for attaching a level or plumb to the work.
SEE OR SEARCH CLASS
248, Supports,
205.5+, and 309.3 for vacuum mounted brackets and 206.5 and 309.4 for magnetic mounted bracket.
