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United States of America Patent
Stats
-
Feb 15, 1994
Grant Date -
N/A
app pub date -
Jan 7, 1993
filing date -
Jan 7, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A document folder includes an upper sheet, a lower sheet and an elongated folding portion which interconnects the upper and lower sheets. A generally C-shaped clamp has an upper clamping plate, a lower clamping plate and a curved portion which interconnects the upper and lower clamping plates. Two protrusions extend oppositely from the free edge of the lower clamping plate. Two parallel slits are formed in the lower sheet of the document folder adjacent to the folding portion of the document folder. The protrusions of the lower clamping plate of the C-shaped clamp are slidably and respectively received in the slits
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