Switch-over block adapter

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Description

FIG. 1 is a top and side perspective view of a switch-over block adapter showing my new design, it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design; and

FIG. 2 is a bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
4195896 April 1, 1980 Wagner et al.
4217023 August 12, 1980 Petit et al.
4398779 August 16, 1983 Ling
Patent History
Patent number: D317296
Type: Grant
Filed: Jun 20, 1988
Date of Patent: Jun 4, 1991
Inventor: Douglas G. Hard (Fayetteville, TN)
Primary Examiner: James M. Gandy
Assistant Examiner: Melody Brown
Law Firm: Phillips & Beumer
Application Number: 7/208,566