USD574403SActiveUtility

Hard rock percussion drill bit with paraboloid PCD inserts

Assignee: WILLIAM J BRADY LOVING TRUSTPriority: Mar 9, 2007Filed: Mar 9, 2007Granted: Aug 5, 2008

Est. expiryMar 9, 2027(~0.6 yrs left)· nominal 20-yr term from priority

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exact text as granted — not AI-modified

CLAIM 
     
       The ornamental design for a hard rock percussion drill bit with paraboloid PCD inserts, as shown and described.

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