Drafting machine scale magnifier attachment

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Information

Patent Grant
D263721

References
Source

Patent Number
D263,721
Date Filed
Friday, April 4, 1980
44 years ago
Date Issued
Tuesday, April 6, 1982
42 years ago

Inventors
- Michael J. Miller
Original Assignees
- VEMCO, Inc.
Examiners
- Holtje; Nelson C.
Agents
- McManigal; Robert M.

US Classifications
- D16 - Photography and optical equipment
- D10 - Measuring, testing, or signalling instruments
Field of Search
- US
- D10 63
- D10 71
- D10 74
- D16 48
- D16 49
- D16 50
- D16 51
- D16 54
- D16 56
- 350 116
- 350 243
- 350 245-247
- 350 256
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a drafting machine scale magnifier attachment, as shown and described.

US Referenced Citations (6)

Number	Name	Date	Kind
D218537	Bushon	Aug 1970
D242329	Snarski	Feb 1977
D253045	Rizer	Oct 1979
1798953	Rennicke	Mar 1931
1806422	Shaen	May 1931
2355161	Holstein	Aug 1944