Patent · US Active

Snow removal vehicles with colored EL lighting

US7478935B2 · kind B2 · utility

2Cited by
58References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 28, 2007
Grant dateJan 20, 2009
Priority date—
Expiry dateJun 28, 2027

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60Q2400/10
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A safety sign and methods are shown with advantages such as being more visible in poor conditions such as snow, dust, fog, low light, etc. Safety signs as shown can be seen from farther away than conventional signs. Safety sings as shown eliminate problems associated with point source lighting

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.