Buttonhole sewing machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 24, 2004
Grant Date -
Dec 11, 2003
app pub date -
May 28, 2003
filing date -
Jun 10, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A buttonhole sewing machine comprises a buttonhole cutting device which includes a knife and a cutting block unit with several cutting blocks, one of which at a time being movable into a position of cooperation with the knife. The cutting blocks are mounted on an anvil that is stationarily joined to the sewing machine. The knife is movable from above against the anvil.
First Claim
Family
International Classification(s)
Cited Art Landscape
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