Clean room hood

- Motorola, Inc.
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Description

FIG. 1 is a front perspective view of a clean room hood showing our new design; and

FIG. 2 is a rear perspective view thereof.

Referenced Cited
U.S. Patent Documents
D165373 December 1951 Hayes
D189233 November 1960 Gardner et al.
D203739 February 1966 Brill et al.
D230912 March 1974 Schaffer
2365656 December 1944 Lamsa
2567192 September 1951 De Grazia
2869132 January 1959 Drummond
3458864 August 1969 Austin et al.
4411023 October 25, 1983 Pinson
Foreign Patent Documents
708333 July 1941 DE2
Patent History
Patent number: D288732
Type: Grant
Filed: Oct 24, 1983
Date of Patent: Mar 10, 1987
Assignee: Motorola, Inc. (Schaumburg, IL)
Inventors: Teresa L. Widener (Austin, TX), Richard L. Prilliman (Austin, TX), James B. Wilhelm, Jr. (Austin, TX), Donna A. Barger (Austin, TX), Valerie J. Trombley (Cedar Creek, TX)
Primary Examiner: Carmen H. Vales
Attorneys: John A. Fisher, Jeffrey Van Myers, James L. Clingan, Jr.
Application Number: 6/544,941
Classifications
Current U.S. Class: D29/15