Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Reexamination Certificate
2007-11-06
2007-11-06
Bennett, G. Bradley (Department: 2859)
Geometrical instruments
Indicator of direction of force traversing natural media
Level or plumb, terrestrial gravitation responsive
Reexamination Certificate
active
11349924
ABSTRACT:
An extension set for a spirit level having an elongated leveling face for setting on a surface and defining a nominal working length, an opposite face to the leveling face, a pair of opposite major side surfaces, and a pair of opposite end sections, the extension set including a pair of discrete elongated U-shaped profile spirit level extenders for lengthwise accommodating an end section of the spirit level with its leveling face facing towards the surface and its opposite face facing away therefrom on spaced apart alignment on the surface such that the pair of spirit level extenders partially underlie the spirit level's leveling face and their remaining portions extend lengthwise therebeyond for extending its nominal working length, and a pair of spirit level clamps for mounting on the pair of spirit level extenders for clamping the spirit level thereon.
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Schwartz Mordechai
Sweet Stephen
Szumer Emanuel
Bennett G. Bradley
Kapro Industries Ltd
Novick Harold
The Nath Law Group
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