USD315743SExpiredUtility

Camera diaphragm unit

Assignee: MARTIN MICHAEL TPriority: Apr 19, 1988Filed: Apr 19, 1988Granted: Mar 26, 1991

Est. expiryApr 19, 2008(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a camera diaphragm unit, as shown.

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