Angle measurement tool

Geometrical instruments – Straightedge type – Plural straightedges – relatively moveable

Reexamination Certificate

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Details

C033S495000, C033S534000

Reexamination Certificate

active

11401906

ABSTRACT:
An angle measurement tool having two legs held together by a removable adjustment member in which the legs are joined together about a common axis so that one of the legs rotates with respect to the other to form a desired angle the value of which is read using indexing means located on both legs.

REFERENCES:
patent: 1585563 (1926-05-01), Schlattau
patent: 4394801 (1983-07-01), Thibodeaux
patent: 4920658 (1990-05-01), Hile
patent: 5020233 (1991-06-01), Syken
patent: 5392525 (1995-02-01), Chow
patent: 5459935 (1995-10-01), Paulson et al.
patent: 5475931 (1995-12-01), Wei
patent: 5842282 (1998-12-01), Ting
patent: 6141882 (2000-11-01), Syken
patent: 6167630 (2001-01-01), Webb
patent: 6237238 (2001-05-01), Shapiro
patent: 7047655 (2006-05-01), Larsson
patent: 2003/0051358 (2003-03-01), Kruse
patent: 2004/0172839 (2004-09-01), Zirk et al.
patent: 2006/0005408 (2006-01-01), Fernand

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