Overhead projector

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Description

FIG. 1 is a front, top, and right side perspective view of an overhead projector showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a left side elevational view thereof.

The undisclosed bottom is plain and unornamented.

Referenced Cited
U.S. Patent Documents
D195911 August 1963 Bravo
D216565 February 1970 Holderied
3712713 January 1973 Appledorn
Other references
  • 3M Overhead Projectors Catalog, Dec., 1968, front cover, projector.
Patent History
Patent number: D244602
Type: Grant
Filed: Mar 3, 1975
Date of Patent: Jun 7, 1977
Assignee: Minnesota Mining and Manufacturing Company
Inventors: Joseph R. Mango (Midlothian, IL), Donald G. Wolfe (Lake Barrington, IL)
Primary Examiner: Joel Stearman
Assistant Examiner: C. A. Rademaker
Attorney: Cruzan Alexander
Application Number: 5/554,419
Classifications
Current U.S. Class: D16/24
International Classification: D1602;