Patent
   D343931
Priority
Nov 12 1991
Filed
Mar 06 1992
Issued
Feb 01 1994
Expiry
Feb 01 2008
Assg.orig
Entity
unknown
7
9
n/a
The ornamental design for an electric vacuum cleaner, as shown.

FIG. 1 is a front, top and right side perspective view of an electric vacuum cleaner showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a rear elevational view thereof; and,

FIG. 7 is a bottom plan view thereof.

Shoji, Takashi, Tsuruha, Toshiaki

Patent Priority Assignee Title
D360717, May 12 1994 ELX HOLDINGS, L L C ; Electrolux LLC Vacuum cleaner
D363273, Aug 31 1994 Sunrex Technology Corp. Notebook computer
D403475, Jun 16 1997 Panasonic Corporation of North America Canister vacuum cleaner
D432745, Jul 27 1999 Vacuum cleaner
D450896, Apr 28 2000 Healthy Gain Investments Limited Vacuum cleaner tool door
D508152, Oct 31 2003 Matsushita Electric Industrial Co., Ltd. Electric vacuum cleaner body
D943222, Sep 10 2020 SHENZHEN LEBEN TECHNOLOGY CO., LTD. Pet feeder
Patent Priority Assignee Title
D289213, Dec 17 1984 Sears Brands, LLC Canister vacuum
D290896, Dec 03 1984 DAEWOO ELECTRONICS CO , LTD Vacuum cleaner
D296944, Oct 07 1985 Sharp Corporation Vacuum cleaner
D311613, Mar 20 1989 Sharp Corporation Vacuum cleaner
D311614, Aug 11 1987 Matsushita Electric Industrial Co., Ltd. Electric vacuum cleaner
D312901, Sep 26 1988 Hitachi, Ltd. Electric vacuum cleaner
D313680, Dec 16 1988 Matsushita Electric Industrial Co., Ltd. Electric vacuum cleaner
D315041, Jun 28 1989 The Hoover Company; HOOVER COMPANY, THE Vacuum cleaner
D318937, May 11 1988 Matsushita Electric Industrial Co., Ltd. Electric vacuum cleaner
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 24 1992TSURUHA, TOSHIAKIMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST 0060380480 pdf
Feb 24 1992SHOJI, TAKASHIMATSUSHITA ELECTRIC INDUSTRIAL CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST 0060380480 pdf
Mar 06 1992Matsushita Electric Industrial Co., Ltd.(assignment on the face of the patent)
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