Hook system for a sewing machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 24, 2014
Grant Date -
Aug 8, 2013
app pub date -
Mar 8, 2012
filing date -
Feb 2, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
For the continuous drive of a hook of a sewing machine, two drive cams (17) alternately engage in the back of the hook. During the passing of the upper thread loop, the respective drive cam (17) on which the thread would get hung up is out of engagement. The hook is situated in a conical hook race guide and is held therein by magnets.
First Claim
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International Classification(s)
- 2012 Application Filing Year
- D05B Class
- 91 Applications Filed
- 56 Patents Issued To-Date
- 61.54 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- D05B Class
- 0 % this patent is cited more than
- 11 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 24, 2025 |
