USD322129SExpiredUtility
Viewing window
Assignee: TSUBAKIMOTO BULK SYSTEMS CORPPriority: May 18, 1989Filed: May 18, 1989Granted: Dec 3, 1991
Est. expiryMay 18, 2009(expired)· nominal 20-yr term from priority
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exact text as granted — not AI-modifiedThe ornamental design for a viewing window, as shown and described.
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