Combined steam and air conveying pipe for an espresso machine

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Description

FIG. 1 is a left side elevational view of a combined steam and air conveying pipe for an espresso machine showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a top, front perspective view thereof on a reduced scale; the broken-line showing of the espresso machine is illustrative of environmental structure only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D298402 November 8, 1988 Seiffert
2391422 December 1945 Jackson
4394289 July 19, 1983 Brown et al.
4644856 February 24, 1987 Borgmann
4735133 April 5, 1988 Paoletti
Other references
  • Schoner Wohnen, Oct. 1984, p. 112, Espresso Machines shown in all 4 panels, top left, "Krups".
Patent History
Patent number: D310152
Type: Grant
Filed: May 27, 1987
Date of Patent: Aug 28, 1990
Assignee: Robert Krups Stiftung & Co. KG. (Solingen)
Inventors: Gotthard C. Mahlich (Kronberg), Michael Borgmann (Solingen)
Primary Examiner: Winifred E. Herrmann
Attorney: Peter K. Kontler
Application Number: 7/54,585
Classifications
Current U.S. Class: D/7398; Spout (9) (D23/255)