Pumps – Motor driven – Including means for facilitating assembly or disassembly of...
Reexamination Certificate
2008-03-11
2008-03-11
Rodriguez, William H. (Department: 3746)
Pumps
Motor driven
Including means for facilitating assembly or disassembly of...
C417S454000, C417S568000, C137S884000, C137S512000
Reexamination Certificate
active
10173837
ABSTRACT:
A fluid end for a high-pressure pump including a unitary body with a plurality of horizontal passages each for receiving a reciprocating plunger at one of its ends and a pressure relief valve at the other of its ends. The body is provided with a corresponding number of vertical passages each of which intersect one of the horizontal passages and contains a suction valve at its bottom and a discharge valve at its top. A suction manifold is hingedly attached to the bottom of body to provide a flow of fluid into the body via the suction valves. A discharge passage intersects the vertical passages and receives fluid pressurized by the plungers via discharge valves and ports such from the fluid end.
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IDS from 10/114,356, now Patent No. 6,695,007, Vicars , Suction Valve.
Notice of References Cited from 10/114,356, Vicars, now Patent No. 6,695,007 for Suction Valve.
Cross-section of a suction valve alleged to be on sale one year prior to filing date.
Jan. 24, 2001-Letter to Cudd Pumping Services (2 pp).
Jan. 24, 2001-Memo to Bert Vicars (2 pp).
Jan. 30, 2001-Memo from Cudd (3 pp).
Feb. 1, 2001-Letter to Cudd (2 pp).
Feb. 15, 2001-Letter to Cudd (2 pp).
Feb. 15, 2001-Letter to Conroe Plastic Mold, Inc. (1 p).
Mar. 7, 2001-Letter to C.B. Gear & Machine, Inc. (4 pp).
May 18, 2001-Letter to Conroe Plastic Mold, Inc. (1 p).
May 31, 2001-Letter to Cudd (2 pp).
Jul. 16, 2001-Letter to Conroe (2 pp).
Jul. 18, 2001 - Letter to Cudd (Jimmy Brown 1 page).
Jul. 18, 2001 - Letter to Cudd (Billy DeShazer, 2 pp).
Feb. 12, 2002 - Letter to Conroe (1 page).
Cross-section of a suction valve which was on sale more then one year prior to the filing date Previously cited by applicant as being alleged to have been on sale.
Conte James B.
Gardner Denver, Inc.
Rodriguez William H.
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