Tools – Wrench – screwdriver – or driver therefor – Spanner
Reexamination Certificate
2007-08-21
2007-08-21
Meislin, D. S. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Spanner
C182S092000, C081S176150
Reexamination Certificate
active
11235167
ABSTRACT:
In accordance with the present invention, a tool for inserting and removing rod-type steps includes a handle and a head. The head includes a first surface having a first hole and a second surface, parallel to the first surface, having a second hole. The first hole and the second hole define a centerline. The head also includes a tang having first and second scallops disposed on opposing edges. The tang is perpendicular to the first and second surfaces and offset from the centerline.
REFERENCES:
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patent: 5624007 (1997-04-01), Mahaffy
patent: 5743353 (1998-04-01), Browning et al.
patent: 5806625 (1998-09-01), Katz
patent: 5899124 (1999-05-01), Cross, Jr.
patent: 5944139 (1999-08-01), Kozial
patent: 6439343 (2002-08-01), Jorges et al.
patent: 6729437 (2004-05-01), Apple
patent: 7017449 (2006-03-01), Ritchings
Meislin D. S.
Rothwell Figg Ernst & Manbeck
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