Fiberglass panel cutter with interlocking blades
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 7, 1992
Issued Date -
N/A
app pub date -
Dec 6, 1990
filing date -
Dec 1, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A blade for cutting a groove in ductboard and forming a corresponding scrap strip of ductboard. The blade includes two blade portions depending from a support member such as a hand tool with a sled for engaging the ductboard. Each of the blade portions includes an inner end which engages the other inner end to partially fix the blades relative to each other and partially restrict the blades from spreading which may be caused by the horizontal grain of ductboard.
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