USD280929SExpiredUtility

Light unit for curing dental restorative materials

Assignee: 3M ASPriority: Oct 29, 1981Filed: Apr 28, 1982Granted: Oct 8, 1985

Est. expiryOct 29, 2001(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a light unit for curing dental restorative materials, as shown.

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