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US-2024178789-A1 · May 30, 2024 · US
Retroreflective sheeting including cube corner elements
US8998428B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8998428-B2 |
| Application number | US-201414504471-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 2, 2014 |
| Priority date | Mar 6, 2003 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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Abstract
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The present disclosure is directed to lamina(e) comprising cube corner elements, a tool comprising an assembly of laminae and replicas thereof. The disclosure further relates to retroreflective sheeting.
First claim
Opening claim text (preview).
The invention claimed is: 1. Retroreflective sheeting, comprising: a plurality of preferred geometry cube corner elements having a hexagonal shape when viewed in plan view; at least some of the preferred geometry cube corner elements including at least one of skew or inclination; and wherein the sheeting exhibits an average brightness at 0° and 90° orientation according to ASTM D4596-1a of at least 375 candelas/lux/m 2 for an entrance angle of −4° and an observation angle of 0.…
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Cross-Sectional Technologies · mapped topic
Physics · mapped topic
Physics · mapped topic
- G02B5/124Primary
Physics · mapped topic
Cross-Sectional Technologies · mapped topic
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Frequently asked questions
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- What does patent US8998428B2 cover?
- The present disclosure is directed to lamina(e) comprising cube corner elements, a tool comprising an assembly of laminae and replicas thereof. The disclosure further relates to retroreflective sheeting.
- Who is the assignee on this patent?
- 3M Innovative Properties Co
- What technology area does this patent fall under?
- Primary CPC classification G02B5/124. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).