Tools – Wrench – screwdriver – or driver therefor – Spanner
Reexamination Certificate
2006-12-26
2006-12-26
Wilson, Lee D. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Spanner
C081S461000
Reexamination Certificate
active
07152510
ABSTRACT:
The non-slip system consists of screw connection elements or screw closure elements with cams or grooves (4) on the face, and of a spanner (13), also provided with cams (16, 17, 18), for tightening and loosening them. The side flanks (8, 9) of the cams or grooves have an S-shaped profile.
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Hoffmann & Baron , LLP
Rego-Fix AG
Wilson Lee D.
LandOfFree
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