Patent
   D620035
Priority
Feb 02 2010
Filed
Feb 02 2010
Issued
Jul 20 2010
Expiry
Jul 20 2024
Assg.orig
Entity
unknown
28
14
n/a
The ornamental design for a hole saw extension cylinder tool bit, as shown and described.

FIG. 1 is a front perspective view of a hole saw extension cylinder tool bit showing my new design;

FIG. 2 is a back perspective view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a back view thereof; and,

FIG. 6 is a back perspective view thereof.

In FIG. 6, the broken lines showing of environmental structure for purposes of illustrating the hole saw extension cylinder tool bit in a condition of use.

The broken lines and the structure they depict form no part of the claimed design.

Eades, Robert O.

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Patent Priority Assignee Title
3778179,
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