Spray etcher for work pieces in which the work pieces first move into the etcher in one direction and then leave the etcher in a reverse direction

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Information

Patent Grant
D243842

References
Source

Patent Number
D243,842
Date Filed
Monday, October 20, 1975
48 years ago
Date Issued
Tuesday, March 29, 1977
47 years ago

Inventors
Original Assignees
- Philip A. Hunt Chemical Corporation
Examiners
- Douglas; Alan P.
Agents
- Kirschstein; Morris

US Classifications
- D15 - Machines not elsewhere specified
Field of Search
- US
- D55 1 R
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a spray etcher for work pieces in which the work pieces first move into the etcher in one direction and then leave the etcher in a reverse direction, substantially as shown.

US Referenced Citations (2)

Number	Name	Date	Kind
D184262	Martz	Jan 1959
D232189	Goffredo	Jul 1974