Overhead projector

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Information

Patent Grant
D281506

References
Source

Patent Number
D281,506
Date Filed
Friday, April 29, 1983
43 years ago
Date Issued
Tuesday, November 26, 1985
40 years ago

Inventors
- Vincent E. DeLongis
- Henry Kyhl
Original Assignees
- Buhl Industries, Inc.
Examiners
- Holtje; Nelson C.
Agents
- McAulay, Fields, Fisher, Goldstein & Nissen

US Classifications
- D16 - Photography and optical equipment
Field of Search
- US
- D16 20
- D16 24
- 353 65
- 353 66
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

US Referenced Citations (11)

Number	Name	Date	Kind
D164293	Fitzgerald	Aug 1951
D182374	Miller	Mar 1958
D189655	Armbruster	Jan 1961
D219071	Ainslie	Oct 1970
D219072	Ainslie	Oct 1970
D219624	Ainslie	Dec 1970
D221901	Patla	Sep 1971
D229780	Ishida	Jan 1974
D244602	Mango	Jun 1977
3762809	Kato	Oct 1973
3951535	Altman	Apr 1976