Patent
   D291932
Priority
Aug 20 1984
Filed
Nov 23 1984
Issued
Sep 15 1987
Expiry
Sep 15 2001
Assg.orig
Entity
unknown
7
6
n/a
The ornamental design for a machine for floor sweeping and scrubbing, as shown.

FIG. 1 is a right front perspective view of a machine for floor sweeping and scrubbing showing our new design;

FIG. 2 is a right rear elevational view thereof;

FIG. 3 is a left front elevational view thereof; and

FIG. 4 is a left rear elevational view thereof.

FIG. 5 is a top plan view thereof, with the awning removed for clarity of illustration only; and

FIG. 6 is a right side elevational view thereof.

Knowlton, Christopher M., O'Hara, Robert J.

Patent Priority Assignee Title
8806704, Mar 17 2009 ALFRED KAERCHER GMBH & CO KG Automotive sweeper
9045872, Mar 16 2009 ALFRED KAERCHER GMBH & CO KG Exchangeable sweeping brush device and sweeper having such a sweeping brush device
D329311, Dec 28 1989 MINUTEMAN INTERNATIONAL, INC Sweeper vehicle
D385384, Aug 17 1995 Sweeper
D391697, May 06 1996 KARCHER NORTH AMERICA, INC Articulated floor cleaner
D391699, Dec 13 1996 Scrubber machine
D642343, Mar 13 2009 ALFRED KAERCHER GMBH & CO KG Floor cleaning machine
Patent Priority Assignee Title
3113332,
4369540, Mar 27 1981 COOPER INDUSTRIES, INC , A CORP OF DE Floor cleaning machine
189718,
D257845, May 12 1978 Tennant Company Sweeper
D267824, Dec 18 1980 Tennant Company Floor maintenance machine
D273622, Sep 10 1982 Tennant Company Floor maintenance machine
///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 16 1984KNOWLTON, CHRISTOPHER M AAR BROOKS & PERKINS CORP ASSIGNMENT OF ASSIGNORS INTEREST 0043460867 pdf
Nov 16 1984O HARA, ROBERT J AAR BROOKS & PERKINS CORP ASSIGNMENT OF ASSIGNORS INTEREST 0043460867 pdf
Nov 23 1984AAR Brooks & Perkins Corp.(assignment on the face of the patent)
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule