Reticle

Geometrical instruments – Straight-line light ray type – Reticle

Reexamination Certificate

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Details

C033S298000

Reexamination Certificate

active

07958643

ABSTRACT:
A reticle comprises a horizontal section having horizontal section horizontal lines broken by horizontal section gaps between the horizontal section horizontal lines. A vertical section has vertical section vertical lines broken by vertical section gaps between the vertical section vertical lines. The horizontal section intersects the vertical section at a midpoint. A wide measurement ranging system includes range indicators including a highest range indicator, a plurality of intermediate range indicators, and a lowest range indicator. A height measurement ranging system has range indicators which include height measurement horizontal lines and which include a height measurement lowest range indicator closest to the vertical section, height measurement intermediate range indicators, and a height measurement highest range indicator.

REFERENCES:
patent: 4205916 (1980-06-01), Vogl et al.
patent: 4263719 (1981-04-01), Murdoch
patent: 4359282 (1982-11-01), Garrison
patent: 5557855 (1996-09-01), Hwang
patent: 6745484 (2004-06-01), Horie et al.
patent: 7100320 (2006-09-01), Verdugo
patent: 7877886 (2011-02-01), Hamilton
patent: 2008/0202011 (2008-08-01), Shepherd

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