Liquid storage tank upper cover assembly of drawing or adding liquid machine and drawing or adding liquid machine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 27, 2021
Grant Date -
Aug 20, 2020
app pub date -
Jun 7, 2019
filing date -
Feb 14, 2019
priority date (Note) -
In Force
status (Latency Note)
Importance
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US Family Size
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Non-US Coverage
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Abstract
This invention disclosures a liquid storage tank upper cover assembly of a drawing or adding liquid machine and a drawing or adding liquid machine. The liquid storage tank upper cover assembly includes an upper cover, a switching valve foundation disposed at an upper end of the upper cover and a valve cartridge cooperated with the switching valve foundation. The upper cover and the switching valve foundation are a one-piece molded part. The switching valve foundation has a sliding hole, a lower part of the upper cover has a first through-hole and a second through-hole which are spaced apart, and the first through-hole and the second through-hole are both connected to the sliding hole. The switching valve foundation has a third through-hole connected with the sliding hole. The valve cartridge is glidingly provided in the sliding hole.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date | Type | Sub-Type |
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International Classification(s)
- 2019 Application Filing Year
- F16K Class
- 1921 Applications Filed
- 1399 Patents Issued To-Date
- 72.83 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- F16K Class
- 74.87 % this patent is cited more than
- 4 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 | Jan 27, 2025 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 27, 2029 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 27, 2033 |
