Dispensing – With discharge assistant – With movable nozzle interconnected therewith
Reexamination Certificate
2004-10-29
2010-10-26
Shaver, Kevin P (Department: 3754)
Dispensing
With discharge assistant
With movable nozzle interconnected therewith
C222S340000
Reexamination Certificate
active
07819291
ABSTRACT:
A dispenser pump (1) that has a manually insertable pump shaft (6) which is surrounded by at least three sleeve sections (16, 17, 18) that can be slid into each other in a telescopic manner. A return spring (8) is preferably disposed between pump shaft (6) and the sleeve sections (16, 17, 18). All parts of the dispenser pump (1), which enter in contact with a liquid that is to be pumped, are made of plastic.
REFERENCES:
patent: 2721003 (1955-10-01), Linton
patent: 4071172 (1978-01-01), Balogh
patent: 4371097 (1983-02-01), O'Neill
patent: 5156307 (1992-10-01), Callahan et al.
patent: 5405057 (1995-04-01), Moore
patent: 5507626 (1996-04-01), Yang
patent: 5725128 (1998-03-01), Foster
patent: 5805216 (1998-09-01), Tabei et al.
patent: 5826756 (1998-10-01), Foster
patent: 6013270 (2000-01-01), Hargraves et al.
patent: 6015067 (2000-01-01), Lang et al.
patent: 6302305 (2001-10-01), Bonningue
patent: 6357629 (2002-03-01), Ding
patent: 6840408 (2005-01-01), Foster et al.
patent: 6893232 (2005-05-01), Wu
patent: 6910606 (2005-06-01), Martin et al.
patent: 2003/0150876 (2003-08-01), Walters et al.
patent: 0 806 249 (1997-11-01), None
patent: 2 122 692 (1984-01-01), None
patent: WO 99/02446 (1999-01-01), None
Böhnisch Karsten
Knoblich Cristin
Menzel Norbert
Neuhaus Reinhard Heinrich
Schulte Frank Erwin
Roberts Mlotkowski Safran & Cole P.C.
Seaquist Perfect Dispensing GmbH
Shaver Kevin P
Wood Jonathan
LandOfFree
Dispenser pump does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Dispenser pump, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Dispenser pump will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4162623