Pumps – Expansible chamber type – Having separate noncyclic valve
Reexamination Certificate
2006-02-21
2006-02-21
Freay, Charles G. (Department: 3746)
Pumps
Expansible chamber type
Having separate noncyclic valve
C251S337000, C251S900000
Reexamination Certificate
active
07001160
ABSTRACT:
A valve designed to limit inadvertent operation of the valve. The valve has a shortened plunger, a collar to prevent tilt of the plunger, and a conformable ring on the valve face. The plunger is provided with a groove sized and dimensioned to partially receive the inner surface of the ring.
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Crockett & Crockett
DC Shoes, Inc.
Freay Charles G.
K. David Crockett, Esq.
Marc J. Frechette, Esq.
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