Extractor tool for plastic risers

- Pro-Mark, Inc.
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a top perspective view of the extractor tool for plastic risers showing my new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is an opposite end elevational view thereof;

FIG. 5 is a top plan view thereof.

The bottom view and opposing side view would appear as mirror images of FIGS. 5 and 2 respectively.

Referenced Cited
U.S. Patent Documents
1293243 February 1919 Tankersley
1493762 May 1924 Mannion et al.
1798944 March 1931 Jackman
1813567 July 1931 Delorme
2244824 June 1941 Caminez
3952618 April 27, 1976 Seamon
3972104 August 3, 1976 Partin et al.
Patent History
Patent number: D284637
Type: Grant
Filed: Jul 16, 1984
Date of Patent: Jul 15, 1986
Assignee: Pro-Mark, Inc. (Bountiful, UT)
Inventors: K. C. Erickson (Bountiful, UT), Doug McGregor (Salt Lake City, UT)
Primary Examiner: Susan J. Lucas
Assistant Examiner: C. E. Heflin
Law Firm: Thorpe, North & Western
Application Number: 6/631,253
Classifications
Current U.S. Class: D 8/21; D 8/14