Percussive drill bit
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Description
The buttons in dashed lines do not form part of the invention.
The broken lines in the drawings depict unclaimed environmental subject matter.
Claims
The ornamental design for a percussive drill bit, as shown and described.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
Other references
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- Padley & Venables Part No. 472554, Button Bit 64 mm P28 Thread Drop Centre Ballistic, Jul. 19, 1996.
Patent History
Patent number: D725164
Type: Grant
Filed: Jan 24, 2014
Date of Patent: Mar 24, 2015
Assignee: Padley & Venables Limited (Dronfield, Sheffield)
Inventor: Pietro Guerriero (Chesterfield)
Primary Examiner: Patricia Palasik
Application Number: 29/480,209
Type: Grant
Filed: Jan 24, 2014
Date of Patent: Mar 24, 2015
Assignee: Padley & Venables Limited (Dronfield, Sheffield)
Inventor: Pietro Guerriero (Chesterfield)
Primary Examiner: Patricia Palasik
Application Number: 29/480,209
Classifications
Current U.S. Class:
Cutting Tool, E.g., Drill Bit, Etc. (D15/139)