Knife
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 24, 2022
Grant Date -
Oct 24, 2019
app pub date -
Dec 26, 2017
filing date -
Dec 26, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A knife includes a blade having a first side face and a second side face. The blade includes zirconia as a main component, and includes a cutting region including at least a ridge portion between the first side face and the second side face. When a portion including the cutting region in the first side face is referred to as a first cutting face, and a portion including the cutting region in the second side face is referred to as a second cutting face, the proportion of cubic crystals of zirconia in the first cutting face is larger than the proportion of cubic crystals of zirconia in the second cutting face.
First Claim
Other Claims data not available
Family
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
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|---|---|---|---|---|
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| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 24, 2033 |