Patent
   D652861
Priority
Jun 07 2010
Filed
Jun 07 2010
Issued
Jan 24 2012
Expiry
Jan 24 2026
Assg.orig
Entity
unknown
1
7
n/a
The ornamental design for a hydro power calculator, as shown and described.

FIG. 1 is a front elevational view thereof;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof; and,

FIG. 7 is front perspective view thereof.

The phantom lines shown in the Figures are illustrative of environmental structure only and form no part of the claimed design.

van der Lande, Jan

Patent Priority Assignee Title
D942534, Oct 19 2019 Calculator with electronic tube display and keypad
Patent Priority Assignee Title
6886022, Mar 15 2002 Calculator with liquid ornament
D305765, Jun 19 1987 Motorola, Inc. Paging receiver or similar article
D326471, Oct 24 1990 Datel Electrocraft Corporation Calculator
D374029, Aug 28 1995 Calculator
D551284, Aug 25 2006 Sun Coast Merchandise Corporation Calculator with letter opener and tape dispenser
D582969, Sep 05 2007 Desktop electronic calculator
D626864, Jun 07 2010 Kikkerland Design Inc.; Kikkerland Design, Inc Hydro power clock
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 07 2010Kikkerland Design, Inc.(assignment on the face of the patent)
Jun 07 2010VAN DER LANDE, JANKikkerland Design, IncASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0244970523 pdf
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