Patent classifications
E
FIXED CONSTRUCTIONS
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E01
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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E01F
ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
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9/00
Arrangement of road signs or traffic signals; Arrangements for enforcing caution
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E01F9/60
Upright bodies, e.g. marker posts or bollards; Supports for road signs
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E01F9/604
specially adapted for particular signalling purposes, e.g. for indicating curves, road works or pedestrian crossings
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E01F9/617
Illuminated or wired-up posts, bollards, pillars or like upstanding bodies or structures for traffic guidance, warning or control
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