Dispensing – With discharge assistant – Fluid pressure
Reexamination Certificate
2005-03-08
2005-03-08
Kaufman, Joseph A. (Department: 3754)
Dispensing
With discharge assistant
Fluid pressure
C222S402240, C222S402250
Reexamination Certificate
active
06863195
ABSTRACT:
Valve stems for use in an aerosol metering valve are described herein. The valve stems include structures designed to limit the likelihood and extent to which a gasket can intrude into an opening in the valve stem. The valve stems described herein also limit the likelihood and extent of damage to the gasket caused by repeated use of the metering valve.
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U.S. Appl. No. 60/344,990, Gasket for use in a Metering Valve that Limits Seal Intrusion, filed Dec. 31, 2001.
Bryant Andrew M.
Castro Gustavo H.
Greenleaf David J.
Hodson Peter D.
Mahon Gary D.
3M Innovative Properties Company
Gram Christopher D.
Kaufman Joseph A.
Ringsred Ted K.
Sprague Robert W.
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