U.S. patent number D312,034 [Application Number 06/930,873] was granted by the patent office on 1990-11-13 for screw driver bit.
This patent grant is currently assigned to Helen P. Espin. Invention is credited to Mario W. Espin.
United States Patent |
D312,034 |
Espin |
November 13, 1990 |
Screw driver bit
Claims
The ornamental design for a screw driver bit, as shown and
described.
Inventors: |
Espin; Mario W. (Charlotte,
NC) |
Assignee: |
Espin; Helen P. (Charlotte,
NC)
|
Appl.
No.: |
06/930,873 |
Filed: |
November 14, 1986 |
Current U.S.
Class: |
D8/86; D15/139;
D8/70 |
Field of
Search: |
;D8/82-87
;81/436,441,901 ;D15/139 |
References Cited
[Referenced By]
U.S. Patent Documents
Foreign Patent Documents
|
|
|
|
|
|
|
747810 |
|
Apr 1933 |
|
FR |
|
84698 |
|
Oct 1935 |
|
SE |
|
1277117 |
|
Jun 1972 |
|
GB |
|
Primary Examiner: Dunkins; Bruce W.
Assistant Examiner: Heflin; Clare E.
Attorney, Agent or Firm: Shefte, Pinckney & Sawyer
Description
FIG. 1 is a top, front and one side perspective view of the screw
driver bit showing my new design, the opposite side being identical
to the one shown;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof.
* * * * *