Lugged annular coupling

Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front, left side perspective view of a lugged annular coupling showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a side elevational view; and

FIG. 4 is a rear elevational view.

Referenced Cited
U.S. Patent Documents
D171627 March 1954 Weber
D247182 February 7, 1978 Ebert
D254505 March 18, 1980 Parsons
1259684 March 1918 Vinten
1525794 February 1925 Blake
2165163 July 1939 Waters
2449121 September 1948 Jones
3162470 December 1964 Davidson et al.
3227380 January 1966 Pinkston
4211439 July 8, 1980 Mollestad
Patent History
Patent number: D263992
Type: Grant
Filed: Mar 20, 1979
Date of Patent: Apr 20, 1982
Assignee: Max Widenmann Armaturenfabrik (Giengen)
Inventor: Karl Ebert (Giengen)
Primary Examiner: James R. Largen
Attorney: Edwin E. Greigg
Application Number: 6/22,240
Classifications
Current U.S. Class: D23/44
International Classification: D2301;