USD246527SExpiredUtility

Vignetting device

Assignee: PFEFER IRVINGPriority: Feb 23, 1976Filed: Feb 23, 1976Granted: Nov 29, 1977

Est. expiryFeb 23, 1996(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a vignetting device, as shown and described.

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