Weather-resistant lock apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 1, 2005
Grant Date -
Oct 7, 2004
app pub date -
Jun 27, 2003
filing date -
Apr 3, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A lock core unit of a weather-resistant lock apparatus includes an inner shell received in and rotatable relative to a lock shell, a plurality of locking plates received in and rotatable relative to the inner shell and cooperating to form a keyhole of the lock core unit, a locking unit operably associated with the locking plates for locking the inner shell against rotation relative to the lock shell in a locking state of the locking plates, and for unlocking the inner shell for rotation relative to the lock shell in an unlocking state of the locking plates, a latch actuator coupled to the inner shell, and a plurality of spacer plates, each of which is disposed between an adjacent pair of the locking plates. The spacer plates are made of a material with a hardness less than that of the locking plates.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
WATERSON CORP | 8F NO 428 WU CHUAN S RD SOUTH DIST TAICHUNG CITY 402 |
International Classification(s)

- 2003 Application Filing Year
- E05B Class
- 425 Applications Filed
- 133 Patents Issued To-Date
- 31.30 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chen, Waterson | Taichung, TW | 41 | 600 |
# of filed Patents : 41 Total Citations : 600 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- E05B Class
- 1.55 % this patent is cited more than
- 20 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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