Retrofit louver for evaporative air coolers

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Information

Patent Grant
D338954

References
Source

Patent Number
D338,954
Date Filed
Thursday, June 11, 1992
32 years ago
Date Issued
Tuesday, August 31, 1993
31 years ago

Inventors
- James A. Brock
Original Assignees
- Walton Enterprises II L.P.
Examiners
- Burke; Wallace R.
- Lichtenstein; Lisa
Agents
- Carver; Stephen D.

US Classifications
- D23 - Environmental heating and cooling
- D25 - Building units and construction elements
Field of Search
- US
- D23 387
- D23 365
- D23 360
- D23 333
- 454 277
- 454 281
- 454 282
- D25 49
- D25 47
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a retrofit louver for evaporative air coolers, as shown and described.

US Referenced Citations (2)

Number	Name	Date	Kind
D181519	Devereux	Nov 1957
4142340	Howard	Mar 1979

Non-Patent Literature Citations (3)

Entry
Grainger's Spring '86 cat., p. 1096, Evaporative Cooler, bottom of page.
American Air Filters Brochure, published prior to 1990, p. 4, Weather Louver A, bottom right side of page.
House & Home, March, 1968, p. 43, Ventilator A, middle of page.