Two-piece foam piston pump
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 7, 2024
Grant Date -
Aug 4, 2022
app pub date -
Apr 26, 2022
filing date -
Dec 20, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A piston pump for dispensing fluid from a reservoir, an improved vacuum relief arrangement in which a passageway for flow of air from the atmosphere into the reservoir is provided at least in part through a piston-forming element of the piston pump.
First Claim
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International Classification(s)
- 2022 Application Filing Year
- B05B Class
- 1063 Applications Filed
- 345 Patents Issued To-Date
- 32.46 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- B05B Class
- 0 % this patent is cited more than
- 1 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 | Nov 7, 2027 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Nov 7, 2031 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Nov 7, 2035 |
