Coupling hook

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Description

FIG. 1 is a perspective view taken from the front and top of a coupling hook showing my new design;

FIG. 2 is a perspective view taken from the front and bottom thereof; and

FIG. 3 is a perspective view taken from the rear and top thereof, showing the safety catch in an open position.

Referenced Cited
U.S. Patent Documents
D55819 July 1920 Roebuck
D141553 June 1945 John
D215268 September 1969 Batchelor
1032369 July 1912 Baxter
2124835 July 1938 Strutz
2490931 December 1949 Thompson
3620563 November 1971 Pierce
Foreign Patent Documents
377,097 June 1907 FR
966,655 March 1950 FR
Patent History
Patent number: D244585
Type: Grant
Filed: Nov 8, 1974
Date of Patent: Jun 7, 1977
Inventor: Per Erland Jonsson (S-826 00 Soderhamn)
Primary Examiner: James R. Largen
Attorney: William Anthony Drucker
Application Number: 5/522,182
Classifications
Current U.S. Class: D/8367
International Classification: D0899;