Liquid purification or separation – Filter – Within flow line or flow line connected close casing
Reexamination Certificate
2005-10-25
2005-10-25
Reifsnyder, David A. (Department: 1723)
Liquid purification or separation
Filter
Within flow line or flow line connected close casing
C210S120000, C210S167150, C210S416200, C210S435000, C210S472000, C251S222000, C251S237000, C137S315040
Reexamination Certificate
active
06957742
ABSTRACT:
A swimming pool debris trap having an externally operable venting mechanism for reducing pressure or vacuum in the trap.
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