USD376084SExpiredUtility

Attachment to hammer drills for driving in expansion shell bolts

Assignee: KARVINEN MARKKUPriority: Jan 25, 1995Filed: Jul 18, 1995Granted: Dec 3, 1996

Est. expiryJan 25, 2015(expired)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

The ornamental design for an attachment to hammer drills for driving in expansion shell bolts, as shown and described.

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