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Hasbro Development Corp.

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Records under this name other than patents Hasbro Development Corp. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 3,980,113Pencil sharpener
Term ended
Term ended no later than Sep 14, 1996 · Low confidence
Term endedTerm ended no later than Sep 14, 1996Low confidence
US 3,988,855Posable figure having one piece connector for torso, trunk and legs
Term ended
Term ended no later than Nov 2, 1996 · Low confidence
Term endedTerm ended no later than Nov 2, 1996Low confidence
US 4,005,545Eye shifting mechanism for doll construction
Term ended
Term ended no later than Feb 1, 1997 · Low confidence
Term endedTerm ended no later than Feb 1, 1997Low confidence
US 4,018,002Toy simulating a walking animal
Term ended
Term ended no later than Apr 19, 1997 · Low confidence
Term endedTerm ended no later than Apr 19, 1997Low confidence
US 4,062,144Flexible doll having arm members pivotable to plural stable positions
Term ended
Term ended no later than Dec 13, 1997 · Low confidence
Term endedTerm ended no later than Dec 13, 1997Low confidence
US 4,067,138Pneumatically actuated walking doll
Formerly held
Term ended
Term ended no later than Jan 10, 1998 · Low confidence
Term endedTerm ended no later than Jan 10, 1998Low confidence
US 4,068,353Carton clip
Term ended
Term ended no later than Jan 17, 1998 · Low confidence
Term endedTerm ended no later than Jan 17, 1998Low confidence
US 4,101,134Sound reproducing unit tone arm
Formerly held
Term ended
Term ended no later than Jul 18, 1998 · Low confidence
Term endedTerm ended no later than Jul 18, 1998Low confidence
US 4,101,135Sound reproducing unit
Formerly held
Term ended
Term ended no later than Jul 18, 1998 · Low confidence
Term endedTerm ended no later than Jul 18, 1998Low confidence
US 4,129,963Toy article having changeable expression graphics
Term ended
Term ended no later than Dec 19, 1998 · Low confidence
Term endedTerm ended no later than Dec 19, 1998Low confidence
10 of 13 patents shown.
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Pro members: see all 13 patents
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