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Patent
D823908
Priority
May 29 2015
Filed
Nov 24 2015
Issued
Jul 24 2018
Expiry
Jul 24 2033
Assg.orig
Entity
unknown
8
22
n/a
The ornamental design for a rock drill bit , as shown and described.
FIG. 1 is top perspective view of a rock drill bit, showing my new design.
FIG. 2 is a bottom perspective view thereof.
FIG. 3 is a bottom plan view thereof.
FIG. 4 is a top plan view thereof.
FIG. 5 is a right side elevational view thereof.
FIG. 6 is a left side elevational view thereof.
FIG. 7 is a front elevational view thereof; and,
FIG. 8 is a rear elevational view thereof.
The evenly-broken dash-dash lines in the views depict environmental features only and form no part of the claimed design. The broken dot-dash lines in the views define the peripheral boundaries of the claimed design and are not part of the claimed design.
Osterholm, Thomas
Patent
Priority
Assignee
Title
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Priority
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Title
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Date
Maintenance Fee Events
n/a
Date
Maintenance Schedule
n/a