US Patent No: D603427
Number of patents in Portfolio can not be more than 2000
On-off plunger
Stats
-
Nov 3, 2009
Issued date -
Sep 15, 2008
filing date -
29/324,558
serial no -
In Force
status
Importance
Loading Importance Indicators...
Abstract
Not Available
Loading the Abstract Image...
First Claim
Related Publications
Loading Related Publications...
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
|
|
|||
| 4,558,715 Apparatus for injecting measured quantities of liquid into a fluid stream | 38 | 1984 | |
| 5,513,963 Direct action fluid motor and injection pump | 8 | 1994 | |
|
|
|||
| 4,729,401 Aspiration assembly having dual co-axial check valves | 61 | 1987 | |
|
|
|||
| D529515 Pump adapter | 1 | 2004 | |
|
|
|||
| D541814 Pump | 2 | 2004 | |
|
|
|||
| 6,910,405 On/off switch for liquid additive injection pump | 6 | 2003 | |
|
|
|||
| 5,951,265 Fluid driven reciprocating engine or pump having overcenter, snap-action mechanical valve control | 6 | 1997 | |
|
|
|||
| 6,684,753 Reciprocating differential hydraulic machine, especially a differential hydraulic machine | 8 | 2001 | |
|
|
|||
| 6,453,940 Insert bonded combination valve | 10 | 1999 | |
|
|
|||
| 5,683,232 Pump particularly useful in respirator apparatus and exhalation valve assembly thereof | 15 | 1995 | |
|
|
|||
| 5,137,435 Compression spring fluid motor | 12 | 1991 | |
|
|
|||
| D270718 Field hand pump for use in the measuring of properties of drilling mud, or the like | 5 | 1981 | |
|
|
|||
| 4,199,083 Trigger actuated pump | 12 | 1978 | |
|
|
|||
| 4,809,731 Liquid injection apparatus having an external adjustor | 15 | 1987 | |
Patent Citation Ranking
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 3.5 Year Payment | $1600.00 | $800.00 | $400.00 | May 3, 2013 |
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | May 3, 2017 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 3, 2021 |
| Fee | Large entity fee | small entity fee | micro entity fee |
|---|---|---|---|
| Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
| Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
| Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |