FORWARD-FACING TWO-SPINDLE LATHE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Aug 22, 2024
app pub date -
Oct 22, 2021
filing date -
Oct 22, 2021
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
A forward-facing two-spindle lathe includes a first main spindle device and a second main spindle device, a first turret device and a second turret device, each including multiple tools configured to perform machining on a workpiece gripped by a main spindle chuck of one or both of the first main spindle device and the second main spindle device, an auxiliary device disposed between the first main spindle device and the second main spindle device and configured to perform a predetermined operation such as machining on a workpiece gripped by the main spindle chuck of one or both of the first main spindle device and the second main spindle device, and a control device configured to control driving of the first main spindle device, the second main spindle device, the first turret device, the second turret device, and the auxiliary device.
First Claim
all claims..Other Claims data not available
Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
---|---|---|---|---|---|
WO | A1 | WO2023067805 | Oct 22, 2021 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
INTERNATIONAL APPLICATION PUBLISHED WITH INTERNATIONAL SEARCH REPORT | 正面2軸旋盤 | Apr 27, 2023 | |||
CN | A | CN118103173 | Oct 22, 2021 | Patent | Application |
Type : Patent Sub-Type : Application | |||||
UNEXAMINED APPLICATION FOR A PATENT FOR INV. | Front double-shaft lathe | May 28, 2024 |
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
FUJI CORPORATION | 19 CHAUSUYAMA YAMAMACHI CHIRYU-SHI AICHI 4728686 ?4728686 |
International Classification(s)

- 2021 Application Filing Year
- B23B Class
- 513 Applications Filed
- 217 Patents Issued To-Date
- 42.31 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
ASAKAWA, Kazuya | Toyota-shi, JP | 7 | 8 |
# of filed Patents : 7 Total Citations : 8 | |||
GOTSU, Hideo | Okazaki-shi, JP | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 | |||
NAGAI, Osamu | Nagoya-shi, JP | 29 | 318 |
# of filed Patents : 29 Total Citations : 318 | |||
SUZUKI, Toshifumi | Toyota-shi, JP | 93 | 879 |
# of filed Patents : 93 Total Citations : 879 | |||
SUZUYAMA, Shigefumi | Toyota-shi, JP | 20 | 36 |
# of filed Patents : 20 Total Citations : 36 | |||
YANAGISAKI, Jun | Toyota-shi, JP | 10 | 11 |
# of filed Patents : 10 Total Citations : 11 |
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Patent Citation Ranking
- 0 Citation Count
- B23B Class
- 0 % this patent is cited more than
- 1 Age
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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 | Feb 22, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Feb 22, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Feb 22, 2036 |
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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