Geometrical instruments – Gauge – Work support
Reexamination Certificate
2006-06-20
2008-09-02
Bennett, G. Bradley (Department: 2841)
Geometrical instruments
Gauge
Work support
C033S435000, C033S497000, C108S103000, C248S349100, C269S2890MR
Reexamination Certificate
active
07418787
ABSTRACT:
A cutting mat comprises: a baseboard defined with an assembling hole and at least one notch on a side of the assembling hole, a positioning member detachably disposed in the assembling hole, and a cutting board. The positioning member includes a circular body and at least one positioning protrusion formed on a side of the circular body and located in a corresponding position to the notch of the baseboard. The cutting board is formed at the bottom thereof with a circular recess for engaging the circular body of the positioning member, so that the cutting board is rotatably superposed on the baseboard. When the positioning member is inversely disposed with the positioning protrusion being protruded from the top surface of the baseboard, and the circular body and the positioning protrusion are partially received in the assembling hole and the notch of the baseboard, the circular recess and the positioning notch of the cutting board will be engaged with the positioning member and a part of the positioning protrusions; as a result, the cutting board is unrotatably positioned on the baseboard.
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patent: 2007/0289425 (2007-12-01), Chen Lin
Bennett G. Bradley
Cohen Johnson Amy
Shia Banger
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