OpenTechnical
This is a record of a document published elsewhere, first published by the United States Patent and Trademark Office, as US-D307593-S, on 1 May 1990. OpenTechnical did not first disclose it. The identifier, hashes and timestamps below record what this library served and when, not when the material became public. View the original.

OT-2026-000000068

Vacuum chuck for a lathe for making optically-smooth surfaces

Published
Permanent URL
Classification
Lifting, Positioning & Manipulation › Vacuum Lifting
Assignee
CHISHTY AQEEL M, VALDEZ ROY K
Original source
US-D307593-S, the United States Patent and Trademark Office, 1 May 1990
Document SHA-256
562a0ea2b0b3326c59a400449160265fedc3f16c2908b02435fe750a731cd629

The ornamental design for vacuum chuck for a lathe for making optically-smooth surfaces, as shown in the accompanying drawings.

Sheet 1
Sheet 1

Abstract

The ornamental design for vacuum chuck for a lathe for making optically-smooth surfaces, as shown in the accompanying drawings.

1. Drawings

[0001]Sheet 1.

Publication information

Plain textMarkdownManifestIntegrity record

Citation

OpenTechnical Publication OT-2026-000000068, “Vacuum chuck for a lathe for making optically-smooth surfaces,” published September 15, 2026 at 19:02:22 UTC, https://opentechnical.org/p/OT-2026-000000068.

To cite specific content, add the paragraph or figure numbers.

Terms

This record reproduces a document published elsewhere and is provided for reference and study. Rights in the original remain with its owner. See the publication policy.