Filter cartridge for swimming pools and spas
Number of patents in Portfolio can not be more than 2000
United States of America
Stats
-
Sep 22, 1998
Grant Date -
N/A
app pub date -
Apr 14, 1992
filing date -
Mar 12, 1986
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A filter cartridge is disclosed having a pleated filter element, hollow perforated core, a lower annular end cap sealed to the bottom ends of the core and filter element and an upper circular end cap sealed to the top ends of the filter element and core. A hollow threaded nipple open at both ends extends coaxially downwardly from the annular end cap, the hollow interior of the nipple being continuous with the hollow interior of the core. A handle extends upwardly from the circular end cap.
First Claim
Family
International Classification(s)
Cited Art Landscape
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