Inverted projection head for an overhead projector

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Description

FIG. 1 is front and side perspective view of a projection head in accordance with the present invention;

FIG. 2 is a front elevation view of the projection head of FIG. 1.

FIG. 3 is a back elevation view of the projection head of FIG. 1.

FIG. 4 is a right side elevation view of the projection head of FIG. 1.

FIG. 5 is a left side elevation view of the projection head of FIG. 1.

FIG. 6 is top plan view of the projection head of FIG. 1; and,

FIG. 7 is a bottom plan view of the projection head of FIG. 1.

Claims

The ornamental design for an inverted projection head for an overhead projector, as shown and described.

Referenced Cited
U.S. Patent Documents
D197490 February 1964 Hipp, Jr. et al.
D198514 June 1964 Field
D244602 June 7, 1977 Mango et al.
5121984 June 16, 1992 Jones et al.
6170954 January 9, 2001 Kai et al.
Patent History
Patent number: D473255
Type: Grant
Filed: Mar 19, 2001
Date of Patent: Apr 15, 2003
Assignee: 3M Innovative Properties Company (St. Paul, MN)
Inventors: Steve Cozzolino (Oakland, CA), Bradford Charles Zuege (Oshkosh, WI), Michael S. Joss (Chicago, IL), Mark T. Nelson (St. Paul, MN)
Primary Examiner: Adir Aronovich
Attorney, Agent or Law Firms: Nestor F. Ho, Yen Tong Florczak
Application Number: 29/138,735
Classifications
Current U.S. Class: Element Or Attachment (D16/235)
International Classification: 1602;