Thread protector for pipes
Description
FIG. 1 is a top plan view of a thread protector for pipes showing my new design;
FIG. 2 is a side elevational view thereof;
FIG. 3 is a cross sectional view taken on line 3--3 of FIG. 2;
FIG. 4 is a cross sectional view taken on line 4--4 of FIG. 1; and
FIG. 5 is a bottom perspective view thereof.
Referenced Cited
U.S. Patent Documents
D133459 | August 1942 | Corley |
D209378 | November 1967 | Pomroy |
D216694 | March 1970 | Lauso |
D257057 | September 23, 1980 | Logsdon |
1303402 | May 1919 | Sehirra |
1885375 | November 1932 | Ponce |
2195530 | April 1970 | Curtis |
2385408 | September 1945 | Engstrom |
3744528 | July 1973 | Vestal |
4033380 | July 5, 1977 | Weber |
4139023 | February 13, 1979 | Turley |
Patent History
Patent number: D281350
Type: Grant
Filed: Sep 17, 1982
Date of Patent: Nov 12, 1985
Inventor: Richard L. Heier (Singapore, 1646)
Primary Examiner: James R. Largen
Law Firm: Epstein & Edell
Application Number: 6/419,508
Type: Grant
Filed: Sep 17, 1982
Date of Patent: Nov 12, 1985
Inventor: Richard L. Heier (Singapore, 1646)
Primary Examiner: James R. Largen
Law Firm: Epstein & Edell
Application Number: 6/419,508
Classifications
Current U.S. Class:
D23/41