Coupling nut

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Description

FIG. 1 is a top plan view of a coupling nut showing my new design;

FIG. 2 is a front elevational view thereof, the rear being identical;

FIG. 3 is a reduced top perspective view thereof;

FIG. 4 is a reduced bottom perspective view thereof.

Referenced Cited
U.S. Patent Documents
1302854 May 1919 Redmer
1761510 June 1930 Wolarsky
Foreign Patent Documents
539214 April 1957 CAX
Patent History
Patent number: D262940
Type: Grant
Filed: Oct 1, 1979
Date of Patent: Feb 9, 1982
Inventor: Georg Spinner (8152 Feldkirchen-Westerham 1)
Primary Examiner: B. J. Bullock
Law Firm: Ostrolenk, Faber, Gerb & Soffen
Application Number: 6/80,471
Classifications
Current U.S. Class: D/8397
International Classification: D0808;