U.S. patent number D289,405 [Application Number 06/623,382] was granted by the patent office on 1987-04-21 for coupling for use with boring tool or bit.
Invention is credited to Rune Nystrom.
United States Patent |
D289,405 |
Nystrom |
April 21, 1987 |
Coupling for use with boring tool or bit
Claims
The ornamental design for a coupling for use with a boring tool or
bit, as shown and described.
Inventors: |
Nystrom; Rune (S-781 32
Borlange, SE) |
Appl.
No.: |
06/623,382 |
Filed: |
June 22, 1984 |
Foreign Application Priority Data
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|
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Dec 27, 1983 [SE] |
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83-3407 |
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Current U.S.
Class: |
D15/140;
D15/138 |
Field of
Search: |
;D15/138,140
;279/8,1B,99 ;408/206,239,240 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Bullock; B. J.
Attorney, Agent or Firm: Gifford, Groh, VanOphem, Sheridan,
Sprinkle and Dolgorukov
Description
FIG. 1 is a bottom perspective view of a coupling for use with a
boring tool or bit showing my new design.
FIG. 2 is a top perspective view thereof;
FIG. 3 is a reduced exploded top view thereof;
FIG. 4 is a reduced exploded bottom perspective view thereof.
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