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
Classifications
Current U.S. Class: D23/41