Pump having freely movable member
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 16, 2019
Grant Date -
Feb 1, 2018
app pub date -
Apr 20, 2015
filing date -
Apr 20, 2015
priority date (Note) -
In Force
status (Latency Note)
Importance
Calculated Rating
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US Family Size
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Non-US Coverage
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Abstract
A pump includes a main chamber and a pair of valves on opposite ends of the main chamber. At least a portion of the respective valves and of the main chamber is formed from a single, unitary piece. The respective valves each contain a freely movable member to permit selective opening and closing of each respective valve. A force applicator alternately induces a suction action and an expulsion action in the main chamber.
First Claim
Other Claims data not available
Family
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| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| WO | A1 | WO2016171659 | Apr 20, 2015 |
International Classification(s)
- 2015 Application Filing Year
- F04B Class
- 1130 Applications Filed
- 894 Patents Issued To-Date
- 79.12 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F04B Class
- 0 % this patent is cited more than
- 6 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 | Jan 16, 2027 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 16, 2031 |
