ELECTRONIC SCALE RULER AND VERNIER CALIPER, AND USE METHOD THEREOF
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Issued Date -
Jun 13, 2024
app pub date -
Aug 29, 2023
filing date -
Dec 7, 2022
priority date (Note) -
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status (Latency Note)
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Importance

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Non-US Coverage
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Abstract
Disclosed is an electronic scale ruler, having a scale ruler main body, a main control board, an input, a display screen, a light source, a vernier base, and a distance conversion assembly. The scale ruler main body has an outer edge side. The light source is mounted on the outer edge side of the scale ruler main body, having a plurality of light beads and being capable of displaying scale. The vernier base is removably mounted on the outer edge side of the scale ruler main body, being capable of moving along a length direction of the outer edge side of the scale ruler main body. The distance conversion assembly is configured to calculate a movement of the vernier base from an origin on the outer edge side of the scale ruler main body.
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 | |
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GUANGZHOU HOUZUO TECHNOLOGY CO LTD | ROOM 101 1ST FLOOR BUILDING 4 NO 68 NANXIANG 1ST ROAD HUANGPU DISTRICT GUANGZHOU CITY GUANGDONG PROVINCE 510700 GUANGZHOU CITY GUANGDONG PROVINCE 510700 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Liang, Tiancheng | Guangzhou, CN | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Luo, Xinggang | Guangzhou, CN | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Zhu, Meilin | Guangzhou, CN | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Dec 13, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Dec 13, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 13, 2035 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
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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