Tape measure clip for improving measurement accuracy

Geometrical instruments – Distance measuring – By flexible tape

Reexamination Certificate

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Details

C033S770000

Reexamination Certificate

active

11426980

ABSTRACT:
Provided is a caliper extender, which fits over a tape measure blade, enabling accurate measurements to be taken of an inside dimension. Extender slides along blade and is positioned against one wall of the inside dimension. Blade is then repositioned flat against extender and a measurement reading is taken. A pointer may also be incorporated into extender to indicate a tape marking corresponding to an accurate measurement. In the alternative, a caliper extender is incorporated into a tape measure such that extender can be disengaged from a casing of tape measure, slid along a blade and a measurement reading taken through a window in a channel through which blade is installed.

REFERENCES:
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patent: 6497050 (2002-12-01), Ricalde
patent: 6804898 (2004-10-01), Hsu
patent: 7159332 (2007-01-01), Sullivan
patent: 2006/0112583 (2006-06-01), Sullivan

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