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Patent
D605234
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Priority
Apr 26 2007
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Filed
Aug 30 2007
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Issued
Dec 01 2009
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Expiry
Dec 01 2023
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Assg.orig
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Entity
unknown
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3
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16
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n/a
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The ornamental design for the periodic puzzle, as shown and described.
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FIG. 1 is a top plan view of the periodic puzzle showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a side view thereof;
FIG. 4 is a top and rear perspective view showing the rows of periodic indicia in an alternate position within the puzzle; and,
FIG. 5 is a top and front perspective view of FIG. 4.
Agbor, Charles Egbe
Patent |
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Aug 03 1992 |
SOFT PLAY, L L C |
Wall mounted sliding block puzzle |
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May 10 1994 |
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Crossword game board apparatus |
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5893718, |
May 19 1997 |
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Mathematical board game |
6162059, |
Mar 16 1999 |
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Problem solving skills development system using tactile recognition |
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20060175757, |
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20070031799, |
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D371162, |
May 21 1993 |
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Set of capsules and case therefor for teaching the periodic table of elements |
D539350, |
Oct 21 2005 |
ABASTECEDORA RIMOVA S A DE C V |
Didactic toy for mathematics |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
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Maintenance Fee Events |
n/a
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Maintenance Schedule |
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