Back to results
US 2018/0291637 A1Published application
Slip-resistant, self illuminated front lit article
Assignee3M Innovative Properties Company
InventorsJohn C. Schultz, Erik A. Aho, John E. Gozum, Michael J. Sykora
Life of this patent
Estimating the term…
Abstract
Light transmissive non-slip treads coupled to a light directing film having a structured surface for redirecting light oriented on a first axis. The non-slip treads may appear to be specifically illuminated, as if by dedicated light fixtures, but may instead be illuminated by ordinary ambient light.
Claims18
A slip-resistant, self-illuminated front lit adhesive backed article comprising:
- a light transmissive friction layer, comprising an upper and lower major surfaces, wherein the upper major surface comprises a rough surface having static coefficient of friction of at least 0.50;
- and,
- an ambient light illuminated layer having an upper major surface and a lower major surface comprising layers in the following order from upper to lower:
- a graphic layer comprising a printed graphic;
- a turning film layer having a first structured surface for redirecting light, and a second surface opposite the first surface, the first structured surface comprising a plurality of elongated, sawtooth shaped light directing features;
- and
- a reflective layer comprising a reflector.
4 more elements
Dependencies are inferred from the claim text.