Lens calibration gauge

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Information

Patent Grant
D250512

References
Source

Patent Number
D250,512
Date Filed
Thursday, October 28, 1976
48 years ago
Date Issued
Tuesday, December 12, 1978
46 years ago

Inventors
- Irving Rips
- Kemper H. Vine
Original Assignees
- YOUNGER MFG. CO
Examiners
- Holtje; Nelson C.
Agents
- Brunton; James E.

US Classifications
- D10 - Measuring, testing, or signalling instruments
- D16 - Photography and optical equipment
Field of Search
- US
- D10 46
- D10 61
- D10 64
- D16 48
- D16 54
- D16 83
- 033 174 A
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a lens calibration gauge, as shown and described.

US Referenced Citations (6)

Number	Name	Date	Kind
D192615	Armbruster	Apr 1962
2114936	Pilnick	Apr 1938
2546329	Barile	Mar 1951
3050860	Kosh	Aug 1962
3740857	Nerad	Jun 1973
3981081	Welch	Sep 1976