Watch having a first barrel complete with a diameter that is less than a diameter of a second barrel complete
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 5, 2023
Grant Date -
Jul 29, 2021
app pub date -
Jan 26, 2021
filing date -
Jan 27, 2020
priority date (Note) -
In Force
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A watch includes a first barrel complete including a first barrel arbor, a first mainspring, and a first barrel, and a second barrel complete that includes a second barrel arbor, a second mainspring, and a second barrel, is disposed side by side in a planar direction orthogonal to a shaft direction of the first barrel arbor, and receives transmission of rotation of the first barrel complete. A tooth tip circle diameter of the first barrel complete is smaller than a tooth tip circle diameter of the second barrel complete, and a thickness of the first barrel is greater than a thickness of the second barrel.
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 | |
---|---|---|
SEIKO EPSON CORPORATION | TOKYO 160-8801 |
International Classification(s)

- 2021 Application Filing Year
- G04B Class
- 238 Applications Filed
- 139 Patents Issued To-Date
- 58.41 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hayashi, Shigeyuki | Shiojiri, JP | 68 | 711 |
# of filed Patents : 68 Total Citations : 711 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- G04B Class
- 0 % this patent is cited more than
- 2 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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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jun 5, 2027 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 5, 2031 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 5, 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 |
Full Text

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