WIRE PAPER CLIP AND LOOSE-LEAF PAPER HANDLING DEVICES
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United States of America Patent
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N/A
Issued Date -
Apr 21, 2011
app pub date -
Jan 23, 2007
filing date -
Jan 23, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A paper clip formed of a single length of wire includes a cross-armed spine that can expand to accommodate increased thicknesses of stacks of loose-leaf paper without loss of gripping strength. A pair of longer arms and a single U-shaped shorter arm are on opposide sides of the stack of paper. The preferred construction uses coated wire.
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Cited Art Landscape
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