(under subclass 168.1) Subject matter relating to the structure of the plural strip, slat or panel unit and subcombinations thereof having claimed features restricting the same to devices as defined in subclass 168.
(1) Note. The primary feature restricting the unit to this subclass are features providing for accumulation. Slats with openings for the accumulating strands are considered restricted for accumulation. However, where the mounting means are claimed, see subclass 168.1 or other appropriate preceding indented subclass.
SEE OR SEARCH THIS CLASS, SUBCLASS:
161+, 218+ and 236, for other type units.
177, and 178.1+, for other venetian blind type units.
