Aquarium filter cartridge
Granted 1 May 1990 · no office action yet
Current assignee: Royal Bank of Scotland · originally Willinger Brothers, Inc.
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Inventors: Allan Willinger · Examiner: Susan J. Lucas · AU 291 · TC 2900
Life of the patent
2 dated eventsDescription
1 parts›FIG. 1 is a front perspective view of…
FIG. 1 is a front perspective view of an aquarium filter cartridge showing my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a bottom plan view thereof.
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