14-03-2019 дата публикации
Номер: US20190080636A1
Принадлежит:
The present invention relates to detectable warning panels, and in particular to detectable warning panels that display text and/or other graphic information such as commercial messages, trademarks, logos, directions, slogans, pictures, names, product illustrations, emblems, promotional information related to a product or service, Quick Response Codes, matrix code, two-dimensional bar code, optical machine-readable labels, and combinations thereof. 1. An article for display on a pedestrian walkway comprisinga panel having a substantially planar upper and lower surface, said upper surface having thereon a plurality of spatially raised features arranged in a pattern so as to be detectable by tactile sensationsaid planar upper surface further comprising a graphic design displaying at least two colors.2. The article of claim 1 , wherein said graphic design displays at least three colors.3. The article of claim 1 , wherein said graphic design conveys information about a product claim 1 , business claim 1 , or service.4. The article of wherein said upper planar surface is textured to provide slip resistance and durability.5. The article of wherein said panel is comprises a material selected from the group consisting of metal claim 1 , polymeric materials claim 1 , concrete claim 1 , bricks claim 1 , natural stone claim 1 , ceramic claim 1 , and tile.6. The article of wherein said metal is selected from the group consisting of cast iron claim 5 , ductile iron claim 5 , steel claim 5 , aluminum claim 5 , and alloys thereof.7. The article of wherein said polymeric material is selected from the group consisting of a plastic claim 5 , thermoset plastic claim 5 , thermoplastic claim 5 , plastic composite claim 5 , and fiber entrained plastic impregnated with carbon nanotubes claim 5 , carbon black claim 5 , or combinations thereof.8. The article of wherein said article is removably attachable to a ground surface at a predetermined position in or in substantially viewable ...
Подробнее