USD357486SExpiredUtility

Insert for rocking drilling bits

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Assignee: SANDVIK ABPriority: Feb 24, 1993Filed: Aug 18, 1993Granted: Apr 18, 1995
Est. expiryFeb 24, 2013(expired)· nominal 20-yr term from priority
Inventors:Michael MattssonGoran StrandStig-Åke Brolund
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PatentIndex Score
4
Cited by
16
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for an insert for rock drilling bits, as shown and described.

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