Cap nut

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Description

FIG. 1 is a plan view of a cap nut bearing the design,

FIG. 2 is an elevation view thereof, and,

FIG. 3 is a vertical cross-sectional view thereof.

Referenced Cited
U.S. Patent Documents
3883 March 1870 Field
D191883 December 1961 Wing
D222235 October 1971 Holiday
379214 March 1888 Firth et al.
954924 April 1910 Brooks
1099510 June 1914 O'Connor
1333015 March 1920 Freile
1787154 December 1930 Hughes
2397216 March 1946 Stellin
2556155 June 1951 Stellin
2827770 March 1958 Bakker
3283640 November 1966 Ono
Foreign Patent Documents
757,519 September 1956 UK
Patent History
Patent number: D247698
Type: Grant
Filed: May 4, 1976
Date of Patent: Apr 11, 1978
Assignee: Kabushiki Kaisha Izumi Seisakusho (Osaka)
Inventor: Toru Ono (Izumi)
Primary Examiner: William N. Wertman
Attorney: J. Y. Houghton
Application Number: 5/682,899
Classifications
Current U.S. Class: D/8397
International Classification: D0808;