Appeal No. 2004-0441
Application 09/777,535
THE INVENTION
The appellants claim a valve stem seal assembly including a
cylindrical retainer with an outwardly extending radial flange
having an elastomeric sealing media affixed to its bottom
surface. Claim 11 is illustrative:
11. A valve stem seal comprising a cylindrical retainer
having an axis, said retainer having a radially oriented annular
end wall integral therewith and defining an upper extremity of
said retainer orthogonal to said axis; an annual elastomeric
valve stem seal adapted for sealingly engaging a reciprocally
movable valve stem; said valve stem seal having a circumferential
exterior groove disposed for engaging said annular end wall
whereby said seal is fixed to said cylindrical retainer; said
cylindrical retainer including an outwardly extending radial
flange having a bottom surface with an elastomeric sealing media
affixed thereto.
THE REFERENCES
Foley et al. (Foley) 3,885,546 May 27, 1975
Binford 5,174,256 Dec. 29, 1992
Kirchner et al. (Kirchner) 5,775,284 Jul. 7, 1998
THE REJECTIONS
The claims stand rejected under 35 U.S.C. § 103 as follows:
claims 1, 3, 11 and 13 over Binford in view of Foley, and
claims 2, 9, 10, 12, 19 and 20 over Binford in view of Foley and
Kirchner.
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