Threaded joint for steel pipes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 15, 2020
Grant Date -
Apr 13, 2017
app pub date -
Jun 16, 2015
filing date -
Jun 20, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A threaded joint is constructed of a pin and a box. The pin includes, in order from an end thereof, a shoulder surface, a nose portion, a first sealing surface, a first male threaded portion, an annular portion, a second sealing surface, and a second male threaded portion. The box includes a shoulder surface, a recessed portion, a first sealing surface, a first female threaded portion, an annular portion, a second sealing surface, and a second female threaded portion. In the threaded joint, in a fastened state, the shoulder surfaces are in contact with each other, the first sealing surfaces are in contact with each other, the second sealing surfaces are in contact with each other, a clearance is provided between the nose portion and the recessed portion, a clearance is provided between the annular portions.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2015 Application Filing Year
- F16L Class
- 1770 Applications Filed
- 1377 Patents Issued To-Date
- 77.80 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- F16L Class
- 55.47 % this patent is cited more than
- 5 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Mar 15, 2028 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Mar 15, 2032 |
