Geometrical instruments – Straight-line light ray type – Alignment device
Reexamination Certificate
2011-06-28
2011-06-28
Ton, Anabel M (Department: 2875)
Geometrical instruments
Straight-line light ray type
Alignment device
C362S259000, C083S520000, C083S478000
Reexamination Certificate
active
07966738
ABSTRACT:
A laser guide for rotating tools comprises a first housing portion and a second housing portion. A seal is provided between the first housing portion and the second housing portion. A lens is located in the first housing portion or second housing portion. A seal is provided between the lens and the first housing portion. A method of testing a laser guide comprising applying a pressure to an internal chamber of the laser guide. Monitoring the laser guide for pressure gains or losses in the chamber.
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Unpublished, co-pending U.S. Appl. No. 10/995,766 filed Nov. 22, 2004 entitled, “Laser Device for Power Tools”.
Unpublished, co-pending U.S. Appl. No. 11/463,606 filed Aug. 10, 2006 entitled, “Laser Guide”.
Inellectual Property Office of New Zealand, Examination Report, Dec. 11, 2008.
Anderson Matthew Scott
Davidson Craig Peter Ernest
Hemingfield Paul
Nash Derek J.
Irwin Industrial Tool Company
Moore & Van Allen PLLC
Spencer Deborah H.
Ton Anabel M
Williamson Dennis J.
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