Combined thread regulating spool attachment and spool of thread therefor

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Description

The single FIGURE is a perspective view of a combined thread regulating spool attachment and spool of thread therefor.

Referenced Cited
U.S. Patent Documents
D46629 November 1914 Daniels
D200329 February 1965 Busch
562699 February 1968 Nettles
4387863 June 14, 1983 Edmonston et al.
4746079 May 24, 1988 Newell
Patent History
Patent number: D315492
Type: Grant
Filed: Feb 4, 1988
Date of Patent: Mar 19, 1991
Inventor: Leo B. Prihoda (San Diego, CA)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Marcus Jackson
Application Number: 7/152,063
Classifications
Current U.S. Class: D/8358