Geometrical instruments – Straightedge type – Cord type
Reexamination Certificate
2005-08-23
2005-08-23
Fulton, Christopher W. (Department: 2859)
Geometrical instruments
Straightedge type
Cord type
C033S755000, C033S756000, C033S758000, C033S770000
Reexamination Certificate
active
06931743
ABSTRACT:
An improved chalk line tip for a chalk-line. The tip having a string attachment portion, having a first end configured to receive a pivot pin therein and extending in a generally arcuately shaped configuration toward a second end, which is also configured to receive a pivot pin therein. The string connection body defining an aperture dimensioned to allow passage of a portion of the attachment portion therethrough. A surface attachment portion having various devices for attaching the surface attachment portion to a surface to be marked. The tip is configured to allow various configurations of the attachment device to be presented and attached to a surface to be marked thus allowing for increased applicability and utility upon a variety of surfaces.
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Dykas, Shaver & Nipper
Irwin Industrial Tool Company
Nipper Stephen M.
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