U.S. patent number D424,579 [Application Number D/104,622] was granted by the patent office on 2000-05-09 for rotary mining bit.
Invention is credited to William J. Brady.
United States Patent |
D424,579 |
Brady |
May 9, 2000 |
Rotary mining bit
Claims
The ornamental design for a rotary mining bit, as shown and
described.
Inventors: |
Brady; William J. (Creve Coeur,
MO) |
Appl.
No.: |
D/104,622 |
Filed: |
May 10, 1999 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
Issue Date |
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094716 |
Oct 8, 1998 |
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Current U.S.
Class: |
D15/21;
D15/139 |
Current International
Class: |
1504 |
Field of
Search: |
;D15/21,28,139
;175/339,377,378,393,420.1,429,430 ;299/79.1 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Morris; Sandra L.
Attorney, Agent or Firm: Heywood; Richard G.
Description
FIG. 1 is a top plan view of a rotary mining bit illustrating one
embodiment of the invention;
FIG. 2 is a side elevational view of the rotary mining bit of FIG.
1, the opposite side being a miror image;
FIG. 3 is another side elevational view of the rotary mining bit as
rotated 90.degree. clockwise from FIGS. 1 and2 thereof, the
opposite side being a mirror image; and,
FIG. 4 is a perspective view of the rotary mining bit of FIG.
1.
The representation of the fragmentary mounting base of the mining
bit shown in phantom lines is for environmental purposes only and
non-limiting upon the scope of the invention.
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