Ceiling air diffuser or the like

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Information

Patent Grant
D275988

References
Source

Patent Number
D275,988
Date Filed
Monday, February 22, 1982
43 years ago
Date Issued
Tuesday, October 16, 1984
41 years ago

Inventors
- Robert W. Walker
Original Assignees
- Walker Manufacturing Company
Examiners
- Largen; James R.
Agents
- Drake; Hugh H.

US Classifications
- D23 - Environmental heating and cooling
Field of Search
- US
- D23 112
- D23 114
- D23 115
- D23 151
- D23 163
- 098 40 D
- 098 121 R
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a ceiling air diffuser or the like, as shown and described.

US Referenced Citations (11)

Number	Name	Date	Kind
D166322	Kurth	Apr 1952
D171505	Krueger	Feb 1954
D179847	Griner	Mar 1957
D225010	Steiner	Oct 1972
D225011	Steiner	Oct 1972
2511490	Bauer	Jun 1950
3877356	Burns	Apr 1975
3906846	Day	Sep 1975
3937133	Bertin et al.	Feb 1976
4020752	Stephan	May 1977
4080882	Burns	Mar 1978