Appeal 2006-1875
Reexamination Control No. 90/006,272
1 REEXAMINATION
2 A request was filed on April 26, 2002, by Third Party Requester
3 Control Components, Inc., for reexamination of U.S. Patent 6,039,076 (the
4 '076 patent) issued March 21, 2000, to Kent R. Hemme and Allan K. Shea,
5 based on Application 09/109,122, filed June 30, 1998, entitled "High Energy
6 Loss Fluid Control Device," originally assigned to Copes-Vulcan, Inc., and
7 now assigned to Patent Owner SPX Corp., Muskegon, MI.
8 BACKGROUND
9 The invention relates to a disc stack for a high energy loss fluid control
10 device. Each annular-shaped disc in the stack has a plurality of passageways
11 having a certain geometry to cause the fluid to expend energy alternately by
12 turbulent interaction and then to resolve the turbulence so that frictional losses
13 can be obtained ('076 patent, col. 1, l. 57, to col. 2, l. 25).
14 Claim 21 is reproduced below. For clarity, the claim is not underlined
15 as is required in the Office by 37 C.F.R. § 1.530(f).1
16 21. A disc stack for a high energy loss fluid control device, said disc
17 stack comprising a plurality of annularly-shaped discs stacked one upon
18 another, each of said annularly-shaped discs having an inner periphery,
19 an outer periphery, and a plurality of passageways extending between
20 an inlet and an outlet located at said inner and outer peripheries, each of
21 said passageways having a plurality of sections connected with
22 right-angle turns with said sections alternating between extending in a
1 New claims 21-23 submitted in the reexamination and in the appendix
to the Brief should be completely underlined, as required by §§ 1.530(f)
and (i) , because they represent matter added by the reexamination proceeding
relative to the patent being reexamined.
- 2 -
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Next
Last modified: September 9, 2013