Pipe bore refinishing tool
Description
FIG. 1 is a reduced top, front and right-side perspective view of a pipe bore refinishing tool showing my new design;
FIG. 2 is a front plan view of the tool;
FIG. 3 is a rear plan view of the tool;
FIG. 4 is a top elevational view of the tool; and,
FIG. 5 is a bottom elevational view of the inventive tool.
Referenced Cited
Patent History
Patent number: D334877
Type: Grant
Filed: Feb 21, 1991
Date of Patent: Apr 20, 1993
Inventor: Nils Nygards (Minneapolis, MN)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Jeff Musgrove
Application Number: 7/659,184
Type: Grant
Filed: Feb 21, 1991
Date of Patent: Apr 20, 1993
Inventor: Nils Nygards (Minneapolis, MN)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Jeff Musgrove
Application Number: 7/659,184
Classifications
Current U.S. Class:
D 8/70