Telescopic straight edge
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 20, 1980
Grant Date -
N/A
app pub date -
May 19, 1978
filing date -
May 19, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A straight edge for use in construction formed of a plurality of members joined by hinges to an end member fitted with a slidable section mounted by a dovetail groove and tongue. The butt sections of each member are fitted with a magnet at each hinge joint so as to latch the unfolded members together in the extended position.
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Family
International Classification(s)
Cited Art Landscape
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