PORTABLE PIPE LATHE AND METHOD
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
May 30, 2019
app pub date -
Jan 30, 2019
filing date -
Jan 30, 2019
priority date (Note) -
Published
status (Latency Note)
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Importance

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Abstract
A pipe lathe includes a shaft; a cutting head supported on the shaft for movement with the shaft; a mandrel positionable on an outboard end of the shaft for supporting the shaft along a machining axis; and a first external pipe clamp and a second external pipe clamp, the first and the second external pipe clamps supported for external pipe engagement substantially concentrically about the machining axis. Multiple spaced apart engagement sites provided by the mandrel within the pipe and the external pipe clamps on an outer surface of the pipe support the pipe in a linear and centered position for machining by the cutting head, even when the pipe is non-linear, flexible and possibly with a cross section that is on-circular.
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 | |
---|---|---|
FLEXPIPE SYSTEMS INC | CALGARY AB T2C OA9 |
International Classification(s)

- 2019 Application Filing Year
- B23B Class
- 555 Applications Filed
- 381 Patents Issued To-Date
- 68.65 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
KARPACHEVSKYY, TARAS | Calgary, CA | 4 | 40 |
# of filed Patents : 4 Total Citations : 40 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- B23B Class
- 0 % this patent is cited more than
- 6 Age
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- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 30, 2026 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 30, 2030 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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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