Thermoplastic laminate, decorative part for eyewear and process of preparation thereof
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 14, 2017
Issued Date -
N/A
app pub date -
Aug 13, 2013
filing date -
Aug 24, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to a thermoplastic laminate for an eyewear, a decorative part comprising the thermoplastic laminate and a preparation process therefore. In particular, during the preparation of the laminate, a high frequency welding machine is used for bonding thermoplastic layers. The present invention uses a high frequency welding machine for the instant welding of the thermoplastic layers. Good bonding strength exists between different layers. Further, the patterns of the core layer are intact, and have high-definition images. The patterns are located in the core layer, not affected by external environmental factors, and not easily abraded. Further, multiple surfaces of the part for an eyewear have patterns, increasing the beautiful appearance of the part for an eyewear, and meeting the requirements of customers to the largest extent.
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 | |
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OKIA OPTICAL CO LTD | UNIT D 5/F HONG KONG SPINNERS INDUSTRIAL BUILDING PHASE 5 760 CHEUNG SHA WAN RD KOWLOON |
International Classification(s)
- B41M:PRINTING, DUPLICATING, MARKING, OR COPYING PROCESS....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B44F:SPECIAL DESIGNS OR PICTURES
- G02C:SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY ....
- B32B:LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA....
- B44C:PRODUCING DECORATIVE EFFECTS

- 2013 Application Filing Year
- B41M Class
- 377 Applications Filed
- 352 Patents Issued To-Date
- 93.37 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Lam, Chi Ho | Hong Kong, CN | 5 | 83 |
# of filed Patents : 5 Total Citations : 83 | |||
Zhang, Yan | Hong Kong, CN | 881 | 7426 |
# of filed Patents : 881 Total Citations : 7426 |
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Patent Citation Ranking
- 18 Citation Count
- B41M Class
- 94.87 % this patent is cited more than
- 8 Age
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- 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 | Sep 14, 2028 |
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 |
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