Optical: systems and elements – Having significant infrared or ultraviolet property – Including alternative optical path or optical element
Reexamination Certificate
2008-05-06
2008-05-06
Nguyen, Thong Q (Department: 2872)
Optical: systems and elements
Having significant infrared or ultraviolet property
Including alternative optical path or optical element
C359S399000, C250S2140VT, C042S119000, C042S125000
Reexamination Certificate
active
07369302
ABSTRACT:
A day
ight weapon sight assembly that consists of daytime sight and a nighttime sight allows the use of both sights without change in eye relief even when the nighttime sight is attached to the rear end of the daytime sight. This is achieved by supporting the daytime sight moveably in the direction of the optical axis and by supporting the nighttime sight with the use of a plane-parallel motion mechanism that allows switching of the nighttime sight between the upper inoperative position and the operative position behind and coaxially with the daytime sight.
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patent: 5902996 (1999-05-01), Sauter
patent: 5937562 (1999-08-01), Brough
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patent: 6608298 (2003-08-01), Gaber
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.Tactic Solutions, LLC of Nevada, USA has developed a universal IIT known as Model PVS-14 Series Monoloc on the Leupold M1 Long Range Optics attachable to the rear side of a tubular sight optics (see http:monoloc.com/main.php?id—page=72).
The problems experienced by a shooter in using a rearwardly attached night scope are well described By Craig Boddington in his articles at http://www.gunsandammomag.com/gun—columns/relief—1021/.
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