# US D351,176 S · Darkfield loupe

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- Number: US D351,176 S
- Document ID: USD351176S
- Status: Granted
- Kind: S
- Application number: 29/000,854
- Filed: 1992-10-27
- Granted: 1994-10-04
- Earliest claimed: 1992-10-27
- Assignees: GIA Gem Institute Corporation
- Inventors: Richard C. Agnew; Robert Van Den Heuvel
- Web page: https://patentgrep.com/patent/USD351176S

## Abstract

Not available.

## Claims

### Claim at position 1

The ornamental design for a darkfield loupe, as shown and described.