USD291087SExpiredUtility

Wedge for a drill shank of a percussion drilling machine

Assignee: TAMPELLA OY ABPriority: Jul 3, 1984Filed: Dec 18, 1984Granted: Jul 28, 1987

Est. expiryJul 3, 2004(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for a wedge for a drill shank of a percussion drilling machine, as shown and described.

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