Drill bit for calloused skin
Description
The drill bit for calloused skin is a rotary nail drill bit for use in manicure and pedicure treatments to remove callused skin.
Claims
The ornamental design for a drill bit for calloused skin, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D779733
Type: Grant
Filed: Feb 12, 2016
Date of Patent: Feb 21, 2017
Inventor: Tommy Van Nguyen (Richmond, TX)
Primary Examiner: Jennifer Rivard
Application Number: 29/554,654
Type: Grant
Filed: Feb 12, 2016
Date of Patent: Feb 21, 2017
Inventor: Tommy Van Nguyen (Richmond, TX)
Primary Examiner: Jennifer Rivard
Application Number: 29/554,654
Classifications
Current U.S. Class:
File, Abrasive Holder Or Polisher (D28/59)