Grade indicating device and method

Details Grade indicating device and method Grade indicating device and method

2011-01-04

2011-01-04

Bennett, G. Bradley (Department: 2841)

Geometrical instruments

Straight-line light ray type

Level

C033S282000, C033S521000

Reexamination Certificate

active

07861427

ABSTRACT:
The application relates to indicating a grade for example in constructions applications using a laser beam. A laser beam is emitted from a laser unit to a desired direction having a grade angle with regard to a level angle. The level sensor is provided for adjusting the level angle and a grade sensor is provided for indicating a grade angle on the basis of the level angle from the level sensor.

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German Application No. 11 2006 004 097.9-52 Office Action dated Jan. 26, 2010.

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