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The ornamental design for an upright vacuum cleaner, substantially as shown. |
FIG. 1 is a front perspective view of an upright vacuum cleaner showing our new design,
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a rear elevational view thereof; and
FIG. 4 is a side elevational view thereof as seen from the right side of FIG. 2.
Clowers, Earl R., Davis, John C., Vermillion, Don W., Pearman, Jr., Fred E.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 10 1977 | The Singer Company | (assignment on the face of the patent) | / | |||
Apr 25 1988 | Singer Company, The | SINGER ACQUISITION HOLDINGS COMPANY, A CORP OF DE | CHANGE OF NAME SEE DOCUMENT FOR DETAILS EFFECTIVE: APRIL 25, 1988 | 005003 | /0684 | |
Aug 16 1988 | SINGER COMPANY | SINGER ACQUISITION HOLDINGS COMPANY, 8 STAMFORD FORUM, STAMFORD, CT 06904, A DE CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 004998 | /0214 | |
Aug 16 1988 | SINGER COMPANY, THE A DE CORP | RYOBI MOTOR PRODUCTS CORP | ASSIGNMENT OF ASSIGNORS INTEREST | 005053 | /0154 |
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