Patent classifications
E
FIXED CONSTRUCTIONS
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E06
DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
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E06B
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
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3/00
Window sashes, door leaves, or like elements for closing; wall or like; openings; Layout of fixed or moving closures, e.g. windows; in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
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E06B3/66
Units comprising two or more parallel glass or like panes permanently secured together
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E06B3/663
Elements for spacing panes
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E06B3/66309
Section members positioned at the edges of the glazing unit
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E06B3/66361
with special structural provisions for holding drying agents, e.g. packed in special containers
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