Geometrical instruments – Straightedge type – Rules
Reexamination Certificate
2006-04-25
2006-04-25
Bennett, G. Bradley (Department: 2859)
Geometrical instruments
Straightedge type
Rules
C033S493000
Reexamination Certificate
active
07032319
ABSTRACT:
A ruler (2) is disclosed, for desk use having an elongated ruler body (4) with a cross-sectional profile enabling at least one part of the ruler body to be placed either at a distance from the underlying layer or in contact with the underlying layer. The ruler, because of an elasticity thereof of the cross sectional profile, facilitates, the at least one part of the ruler body comprising anti-skid means (20) to establish a frictional engagement with the underlying layer by compressive deformation of the ruler body (2), so that the ruler is fixed in relation to the underlying layer. The ruler by simple means and measures easily and efficiently, solely, by the compressive deformation of the ruler body, is fixed in relation to the underlying layer.
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Johansen Jørn B.
Øllgaard Nis
Antonelli, Terry Stout and Kraus, LLP.
Bennett G. Bradley
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