Tool for use in plugging a cylindrical pipe
Bookout September 10, 1
U.S. patent number D319,759 [Application Number 07/185,809] was granted by the patent office on 1991-09-10 for tool for use in plugging a cylindrical pipe. Invention is credited to Timothy H. Bookout.
| United States Patent | D319,759 |
| Bookout | September 10, 1991 |
Tool for use in plugging a cylindrical pipe
Claims
The ornamental design for a tool for use in plugging a cylindrical pipe, as shown and described.
| Inventors: | Bookout; Timothy H. (Chattanooga, TN) |
|---|---|
| Appl. No.: | 07/185,809 |
| Filed: | April 25, 1988 |
| Current U.S. Class: | D8/21 |
| Field of Search: | ;D8/21,22,25,29,86,98 |
References Cited [Referenced By]
U.S. Patent Documents
| D177664 | May 1956 | Caldwell et al. |
| D260355 | August 1981 | Buzzell |
| D290581 | June 1987 | Hughes |
| 2570706 | October 1951 | Peluse |
| 2875658 | March 1959 | Benjamin |
| 3318176 | May 1967 | Geier |
| 4376397 | March 1983 | Newby et al. |
Assistant Examiner: Hannon; M.
Attorney, Agent or Firm: Middleton; James B.
Description
FIG. 1 is a right perspective view of a tool for use in plugging a cylindrical pipe showing my new design;
FIG. 2 is a left side view thereof;
FIG. 3 is a left side view showing the tool in retracted condition thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a rear view thereof.
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