Geometrical instruments – Straightedge type – Square and fixed straightedge
Reexamination Certificate
2007-12-11
2007-12-11
Guadalupe-McCall, Yaritza (Department: 2859)
Geometrical instruments
Straightedge type
Square and fixed straightedge
C033S482000
Reexamination Certificate
active
11737983
ABSTRACT:
A hand tool of a substantially hexagonal shape to facilitate a variety of tasks, such as pipefitting, is provided wherein the tool includes two 90-degree internal angles formed by the intersection of the sides of the tool. At least one slot is provided along and in the perimeter of the tool. Planar or geometric tools are selectively secured within the at least one slot.
REFERENCES:
patent: 778808 (1904-10-01), Starrett
patent: 3670418 (1972-06-01), Hamilton, Jr.
patent: 4338725 (1982-07-01), Martin et al.
patent: 4375724 (1983-03-01), Brock
patent: 4380872 (1983-04-01), Moran
patent: 4598482 (1986-07-01), Castleton
patent: 4641435 (1987-02-01), Brown
patent: 4914825 (1990-04-01), Howard
patent: 5339530 (1994-08-01), Wright
patent: 6233789 (2001-05-01), Douglas
patent: 6550153 (2003-04-01), Keith
patent: 6553677 (2003-04-01), Szumer
patent: 6578278 (2003-06-01), Siefert
patent: 6758016 (2004-07-01), Gobeil
patent: 6785976 (2004-09-01), Morehouse
patent: 6996911 (2006-02-01), Dinius
patent: 7117606 (2006-10-01), Brown
patent: 7178252 (2007-02-01), Belagrd
patent: 2007/0026472 (2007-02-01), Brown
Guadalupe-McCall Yaritza
Thomas, PC John H.
LandOfFree
Hand tool does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Hand tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hand tool will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3888751