Patent
   D321420
Priority
Feb 09 1990
Filed
Feb 09 1990
Issued
Nov 05 1991
Expiry
Nov 05 2005
Assg.orig
Entity
unknown
12
20
n/a
The ornamental design for a floor polishing machine, as shown and described.

FIG. 1 is a perspective view of a floor polishing machine showing our new design.

FIG. 2 is a right side elevational view thereof.

FIG. 3 is a front elevational view thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a rear elevational view thereof.

FIG. 6 is a bottom plan view thereof.

FIG. 7 is a left side elevational view thereof.

FIG. 8 is a front perspective view of a second embodiment of a floor polishing machine showing our new design.

FIG. 9 is a right side elevational view thereof.

FIG. 10 is a front elevational view thereof.

FIG. 11 is a top plan view thereof.

FIG. 12 is a rear elevational view thereof.

FIG. 13 is a bottom plan view thereof.

FIG. 14 is a left side elevational view thereof.

Bothun, Eugene L., Von Vett, Peter W.

Patent Priority Assignee Title
11346579, Apr 24 2019 Karcher North America, Inc. Vented cover plate
D343705, Mar 27 1992 USP HOLDING CORP Air cooled floor polishing machine
D343932, Mar 12 1992 Tennant Company Burnisher
D344163, Jun 09 1992 Pioneer/Eclipse Corporation Floor buffing machine
D345035, Feb 24 1992 Tennant Company Floor machine handle
D346050, Sep 06 1990 Floor polisher
D437093, Apr 06 1999 Techtronic Floor Care Technology Limited Handle for a floor machine or other device
D659310, May 05 2010 Alfred Kaercher GmbH & Co. KG Floor cleaning machine
D756576, May 23 2012 DONGGUAN VIPER CLEANING EQUIPMENT CO , LTD Sweeping machine
D764725, Oct 19 2012 Qleeno AB Cleaning machine
D915012, Dec 05 2018 KARCHER NORTH AMERICA, INC Pressure washer
D973113, Nov 20 2018 HUSQVARNA AB Grinding machine
Patent Priority Assignee Title
2674896,
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3921244,
4365377, Jan 13 1981 MINUTEMAN INTERNATIONAL, INC Floor polishing machine
4435870, Mar 13 1980 ELECTRO-DISC CORP , A CORP OF CA Floor machine
4491999, Jul 19 1982 Buffing pad retainer
4542551, Sep 30 1983 COOPER INDUSTRIES, INC , A CORP OF DE Rotary floor maintenance device
4570278, Feb 25 1983 The Kartridg Pak Co. Portable polisher and buffs therefor
4590635, Aug 20 1982 ELECTRO-DISC CORP , A CORP OF CA Machine for floor maintenance
4658459, Jan 27 1986 Advance Machine Company Floor polishing machine
4734954, Feb 24 1987 Pool scrubber device
4742652, Apr 20 1987 NILFISK-ADVANCE, INC Air restraint device for burnishing machine
4756042, Jun 30 1986 Tacony Corporation Floor polishing machine
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 01 1990VONT VETT, PETER W WINDSOR INDUSTRIES, INC, A CORP OF CO ASSIGNMENT OF ASSIGNORS INTEREST 0052290781 pdf
Feb 01 1990BOTHUN, EUGENE L WINDSOR INDUSTRIES, INC, A CORP OF CO ASSIGNMENT OF ASSIGNORS INTEREST 0052290781 pdf
Feb 09 1990Windsor Industries, Inc.(assignment on the face of the patent)
Aug 05 1998U S NEWS & WORLD REPORT, INC BANKBOSTON, N A , AS AGENTASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0095800243 pdf
Apr 07 2004WINDSOR INDUSTRIES, INC Castle Rock Industries, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0152510775 pdf
Jun 02 2004WINDSOR INDUSTRIES, INCORPORATEDHARRIS TRUST AND SAVINGS BANK, AS ADMINSTRATIVE AGENTSECURITY INTEREST SEE DOCUMENT FOR DETAILS 0154600824 pdf
Jun 14 2004FLEET NATIONAL BANK FORMERLY KNOWN AS BANKBOSTON, N A , AS AGENTWINDSOR INDUSTRIES, INCORPORATEDRELEASE0155710310 pdf
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