Blade material
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Apr 19, 2022
Grant Date -
Jul 11, 2019
app pub date -
Sep 6, 2017
filing date -
Sep 6, 2017
priority date (Note) -
In Force
status (Latency Note)
Importance
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Abstract
Provided is a blade material having high strength. The blade material contains, in % by mass, 0.5 to 0.8% of C, 1.0% or less of Si, 1.0% or less of Mn, 11 to 15% of Cr, and 0.1 to 0.8% of V, the remainder includes Fe and inevitable impurities, and has a thickness of 0.5 mm or less, wherein the structure of the blade material as observed after polishing the surface thereof has ferrites and carbides, the carbides have an average particle diameter of 0.5 μm or less, and a proportion of carbides containing V in the carbides is 50% or less in terms of a proportion in an area of a field of view.
First Claim
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International Classification(s)
- 2017 Application Filing Year
- B26B Class
- 408 Applications Filed
- 277 Patents Issued To-Date
- 67.90 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B26B Class
- 0 % this patent is cited more than
- 3 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Oct 19, 2025 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Oct 19, 2029 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Oct 19, 2033 |