Rotary mining bit
Brady September 5, 2
U.S. patent number D430,578 [Application Number D/094,716] was granted by the patent office on 2000-09-05 for rotary mining bit. Invention is credited to William J. Brady.
| United States Patent | D430,578 |
| Brady | September 5, 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/094,716 |
| Filed: | October 8, 1998 |
| Current U.S. Class: | D15/21; D15/139 |
| Current International Class: | 1504 |
| Field of Search: | ;D15/21,28,139 ;175/339,377,378,393,420.1,427,430 ;299/79.1 |
References Cited [Referenced By]
U.S. Patent Documents
| D273390 | April 1984 | Lassiter |
| D340248 | October 1993 | Brady |
| D351174 | October 1994 | Brady |
| 2650071 | August 1953 | Rassieur |
| 3131779 | May 1964 | Rowley et al. |
| 4711312 | December 1987 | Leibee et al. |
| 4819748 | April 1989 | Truscott |
| 4852671 | August 1989 | Southland |
| 5025874 | June 1991 | Barr et al. |
| 5180022 | January 1993 | Brady |
| 5429199 | July 1995 | Sheirer et al. |
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 mirror image;
FIG. 3 is another side elevational view of the rotary mining bit as rotated 90.degree. clockwise from FIGS. 1 and 2 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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