Patent · US Expired

Optical turf evaluation device and method of use

US5886840A · kind A · utility

1Cited by
2References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 13, 1996
Grant dateMar 23, 1999
Priority date
Expiry dateDec 13, 2016

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02B27/022
  • WIPO fieldFurniture, games
  • WIPO sectorOther fields

Abstract

An evaluation tool for viewing local and remote irregularities in a turf surface. The tool includes a body structure having first and second turf engaging surfaces for supporting the body structure upon the turf surface in first and second inspection orientations. The tool further includes a reflector element to provide a view of a local turf segment to a user viewing from above when the body is in the first inspection orientation and a view of a remote turf segment when in the second inspection orientation. Indicia may be provided upon the tool for indicating vertical distances.

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