Liquid discharging head and liquid discharging device
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United States of America Patent
Stats
-
Oct 30, 2018
Grant Date -
Jan 25, 2018
app pub date -
Jul 20, 2017
filing date -
Jul 22, 2016
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A liquid discharging head includes a discharge port that discharges a liquid, a pressure chamber that communicates with the discharge port, and an energy generating element that is disposed in the pressure chamber. In the liquid discharging head, the discharge port is provided with a plurality of projections that project towards a central portion of the discharge port from an inner peripheral edge of the discharge port, and an interval between the projections at a location where the projections are closest to each other is 5 μm or less.
First Claim
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International Classification(s)
- 2017 Application Filing Year
- B41J Class
- 3119 Applications Filed
- 2558 Patents Issued To-Date
- 82.02 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B41J Class
- 28.29 % this patent is cited more than
- 7 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 | Apr 30, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Apr 30, 2030 |
