Patent
   D262630
Priority
Jan 19 1979
Filed
Jan 19 1979
Issued
Jan 12 1982
Expiry
Jan 12 1996
Assg.orig
Entity
unknown
10
8
n/a
The ornamental design for a drill bit, substantially as shown and described.

FIG. 1 is a side view of the drill bit showing the novel design;

FIG. 2 is a top view thereof; and

FIG. 3 is a bottom view thereof.

Logan, Jr., Clifford K.

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Patent Priority Assignee Title
1799676,
2203747,
2342931,
2966949,
4230193, Dec 15 1978 HANEY, BELL C Rotary drill bit
4230194, Dec 15 1978 HANEY, BELL C Rotary drill bit
178899,
239317,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 19 1979Robert W., Lee(assignment on the face of the patent)
Sep 12 1980LOGAN, CLIFFORD K , JR LEE, ROBERT W ASSIGNMENT OF A PART OF ASSIGNORS INTEREST0038020866 pdf
Nov 17 1981LOGAN, CLIFFORD K JR HANEY, BELL C ASSIGNMENT OF A PART OF ASSIGNORS INTEREST0039290800 pdf
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