Patent
   D421021
Priority
Feb 12 1999
Filed
Feb 12 1999
Issued
Feb 22 2000
Expiry
Feb 22 2014
Assg.orig
Entity
unknown
40
52
n/a
The ornamental design for a "key matrix", as shown and described.

FIG. 1 is a front, top and right side perspective view of a key matrix showing our new design;

FIG. 2 is a top elevational view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof; and,

FIG. 6 is a rear plan view thereof.

Nuovo, Frank, Curtis, Alastair

Patent Priority Assignee Title
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D447132, Dec 19 2000 Alphanumeric keypad
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D449596, Dec 18 2000 Mobigence, Inc. Keypad
D449830, Aug 23 2000 Microsoft Mobile Oy Display and key array for a handset
D450316, Aug 23 2000 Microsoft Mobile Oy Front cover for a handset
D450671, Aug 23 2000 Microsoft Mobile Oy Handset
D450689, Aug 23 2000 Microsoft Mobile Oy Keypad for a handset
D451092, Dec 18 2000 Mobigence, Inc. Keypad
D451502, Aug 23 2000 Microsoft Mobile Oy Key matrix for a handset
D451503, Aug 23 2000 Microsoft Mobile Oy Display and key array for a handset
D451914, Aug 23 2000 Microsoft Mobile Oy Front cover for a handset
D452235, Aug 23 2000 Microsoft Mobile Oy Front cover for a handset
D453928, Aug 23 2000 Microsoft Mobile Oy Keypad for a handset
D454341, Dec 29 2000 Microsoft Mobile Oy Keypad for a handset
D454549, Aug 23 2000 Microsoft Mobile Oy Handset
D454865, Aug 23 2000 Microsoft Mobile Oy Key matrix for a handset
D455736, Aug 23 2000 Microsoft Mobile Oy Keypad for a handset
D455739, Aug 23 2000 Microsoft Mobile Oy Front cover for a handset
D456375, Dec 29 2000 Microsoft Mobile Oy Handset
D456376, Aug 23 2000 Microsoft Mobile Oy Handset
D457519, Aug 23 2000 Microsoft Mobile Oy Key matrix for a handset
D457879, Aug 23 2000 Microsoft Mobile Oy Display and key array for a handset
D460262, Feb 07 2000 BRIVO SYSTEMS LLC Control panel
D460621, Feb 07 2000 BRIVO SYSTEMS LLC Control panel
D492675, Jul 30 2002 Motorola Mobility LLC Interface for communication devices or similar articles
D496919, Jun 04 2003 Microsoft Mobile Oy Handset
D501004, Jun 04 2003 Microsoft Mobile Oy Front cover for a handset
D507561, Jun 04 2003 Microsoft Mobile Oy Key button arrangement for a handset
D507564, Jun 04 2003 Microsoft Mobile Oy Back cover for a handset
D597506, Mar 08 2007 Motorola Mobility LLC Housing for a communication device
D634740, Mar 31 2010 BlackBerry Limited Keypad
D641743, Mar 31 2010 BlackBerry Limited Keypad
D641744, Mar 31 2010 BlackBerry Limited Keypad
D641745, Mar 31 2010 BlackBerry Limited Keypad
D771634, Dec 12 2014 TACTUS TECHNOLOGY, INC Crescent button overlay for virtual keyboard
D777728, Dec 01 2014 TACTUS TECHNOLOGY, INC Button overlay for a virtual keyboard
D785602, Dec 18 2015 OPENTV, INC. Screen protrusions
D798841, Dec 18 2015 OPENTV, INC. Remote control
D937504, May 29 2017 Canada Litter Inc. Shovel
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///
Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 12 1999Nokia Mobile Phones Limited(assignment on the face of the patent)
Mar 10 1999CURTIS, ALASTAIRNokia Mobile Phones LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0098800370 pdf
Mar 10 1999NUOVO, FRANKNokia Mobile Phones LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0098800370 pdf
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