WASHER FOR A SNAP FASTENER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Oct 1, 2015
app pub date -
Apr 1, 2014
filing date -
Apr 1, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

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Abstract
A washer for use in a snap fastener is adapted to be placed over the lower part of a snap fastener component so that the washer rests between the fabric and the lower part of the snap fastener. The upper part of the snap fastener is placed over the fabric and is pressed into place by a tool press. The washer is made of a resilient material, such as plastic or rubber, which is then squeezed by the tool press to fill in any gaps that would allow water to leak through. In its unassembled state, the washer consists of a flat ring surrounding a center protrusion, which is hollow on its inside. To assemble the snap fastener, the center protrusion is placed over the central post of the lower part of the snap fastener. The central post with the washer is then inserted through a hole in the fabric to which the snap fastener is to be attached.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
DURAFLEX HONG KONG LIMITED | HONG KONG |
International Classification(s)

- 2014 Application Filing Year
- A44B Class
- 263 Applications Filed
- 220 Patents Issued To-Date
- 83.66 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
CHAN, Yick Fai | Hong Kong, CN | 42 | 244 |
# of filed Patents : 42 Total Citations : 244 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 2 Citation Count
- A44B Class
- 19.34 % this patent is cited more than
- 10 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 1, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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 |
Full Text

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