Cover for an overhead projector

Description

FIG. 1 is a top front perspective view of a cover for an overhead projector showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is a cross sectional view taken along line 8--8 of FIG. 2; and,

FIG. 9 is a cross sectional view taken along line 9--9 of FIG. 2.

Referenced Cited
U.S. Patent Documents
D317616 June 18, 1991 Shiiba
3516733 June 1970 Lucas
4120574 October 17, 1978 Hofmann et al.
4588271 May 13, 1986 Emura
4969733 November 13, 1990 Tewison
Other references
  • Gallant Inc. Overhead Projectors Catalog, p. 5 (Portable Projector Model 0-88).
Patent History
Patent number: D333829
Type: Grant
Filed: Oct 18, 1990
Date of Patent: Mar 9, 1993
Assignee: Minnesota Mining and Manufacturing Company (St. Paul, MN)
Inventors: James E. Nash (St. Paul, MN), Dennis J. Roden (St. Paul, MN)
Primary Examiner: Bernard Ansher
Assistant Examiner: Adir Aronovich
Attorneys: Gary L. Griswold, Walter N. Kirn, John C. Barnes
Application Number: 7/600,215
Classifications
Current U.S. Class: Element Or Attachment (D16/235)