USD243842SExpiredUtility

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

Assignee: HUNT CHEM CORP PHILIP APriority: Oct 20, 1975Filed: Oct 20, 1975Granted: Mar 29, 1977
Est. expiryOct 20, 1995(expired)· nominal 20-yr term from priority
23
PatentIndex Score
1
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References
1
Claims

Claims

exact text as granted — not AI-modified
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.

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