Filter paper

- Braun Aktiengesellschaft
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Description

FIG. 1 is a perspective front elevational view of a filter paper from above, showing our design;

FIG. 2 is a front view of the appliance of FIG. 1;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D252845 September 11, 1979 Gavin
D278116 March 26, 1985 Gavin et al.
D318001 July 9, 1991 Gavin et al.
D337074 July 6, 1993 Weder
D346765 May 10, 1994 Weder
2546874 March 1951 Siegrist
2859879 November 1958 Rogers et al.
3512458 May 1970 Ehe
4362623 December 7, 1982 Holopainen
4595502 June 17, 1986 Himmelsbach
4865737 September 12, 1989 McMichael
Patent History
Patent number: D424369
Type: Grant
Filed: Sep 18, 1998
Date of Patent: May 9, 2000
Assignee: Braun Aktiengesellschaft (Frankfurt)
Inventors: Uwe Bielfeldt (Kronberg), Christof Kleemann (Kronberg), Reinhard Stucher (Freudenberg), Bernd Trebitz (Butzbach), Horst Emmerich (Eschborn), Dieter Friedrich (Eppstein), Christian Ziesch (Friedberg), Frank Gliemroth (Schwalbach)
Primary Examiner: M. N. Pandozzi
Law Firm: Fish & Richardson P.C.
Application Number: 0/93,860
Classifications
Current U.S. Class: D/7400
International Classification: 0799;