Aquarium power filter

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Information

Patent Grant
D294172

References
Source

Patent Number
D294,172
Date Filed
Wednesday, July 9, 1986
38 years ago
Date Issued
Tuesday, February 9, 1988
36 years ago

Inventors
- Allan H. Willinger
Original Assignees
- Willinger Bros., Inc.
Examiners
- Bullock; B. J.
- Vinson; Brian N.
Agents
- Helfgott & Karas

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 3
- D23 4
- D30 12
- 210 169
- 119 5
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an aquarium power filter, as shown and described.

US Referenced Citations (3)

Number	Name	Date	Kind
D205582	Willinger	Aug 1966
D215283	Sesholtz	Sep 1969
4512885	Willinger	Apr 1985

Non-Patent Literature Citations (1)

Entry
Longlife Aquarium Filters brochure (1971) "Quick Change Filter, No. F-008.