Mechanical pencil
United States Patent D630247

Shimizu, Kazuhisa (Tokyo, JP)
Application Number:
Publication Date:
Filing Date:
Pentel Kabushiki Kaisha (JP)
Primary Class:
Other Classes:
D19/912, D19/913, D19/914, D19/918, D19/932
International Classes:
(IPC1-7): 1906
Field of Search:
D14/411, D14/431, D19/35, D19/36, D19/41, D19/42, D19/43, D19/44, D19/45, D19/46, D19/47, D19/48, D19/49, D19/50, D19/51, D19/54, D19/55, D19/56, 24/11F, 24/11P, 24/11R, 401/6, 401/52, 401/99, 401/100, 401/104, 401/105, 401/106, 401/107, 401/108, 401/109, 401/192, 401/195, 401/243, 401/244, 401/245, 401/246, 401/247
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US Patent References:
D620524Ballpoint penJuly, 2010ShibataD19/47
D607054Instrument for writing, drawing or paintingDecember, 2009LeibeckD19/50
D587752Ballpoint penMarch, 2009ShimizuD19/50
D581461HighlighterNovember, 2008LiD19/48
D576676Ballpoint penSeptember, 2008ShimizuD19/49
D564025PenMarch, 2008OasD19/49
D562391Writing instrumentFebruary, 2008GerulesD19/49
D562392PenFebruary, 2008Qiu et al.D19/50
D562895Ballpoint penFebruary, 2008ShibataD19/50
D559318PenJanuary, 2008Qiu et al.D19/51
D558269PenDecember, 2007TakanashiD19/49
D553191PenOctober, 2007QiuD19/50
D499137Marking penNovember, 2004ShibataD19/43
D496962Ball-point penOctober, 2004BonnamourD19/48
D497643Ballpoint penOctober, 2004NishidaD19/51
D476364Writing instrumentJune, 2003BainD19/51
D472580Cap for a marker penApril, 2003Middleton et al.D19/57
D462386Ball-point penSeptember, 2002Iwase et al.D19/43
D461204Multi-function penAugust, 2002KlefbomD19/36
D457917Retractable penMay, 2002Traut et al.D19/51
D410030Writing instrumentMay, 1999SunagaD19/48
D361596Writing instrumentAugust, 1995YoungD19/49
D357700Housing for a ballpoint pen tipApril, 1995OkaD19/55
D342545PenDecember, 1993KaoD19/48
D308396Writing instrumentJune, 1990SekiguchiD19/49
D283140Writing instrumentMarch, 1986PetrilloD19/49
D191729N/ANovember, 1961LovejoyD19/48
2521657Fountain penSeptember, 1950Severy401/226
D137660N/AApril, 1944SeveryD19/49
2134568Mechanical pencilOctober, 1938Lynn401/76
D108111N/AJanuary, 1938TrollenD19/49

Primary Examiner:
Veynar, Caron
Assistant Examiner:
Eldridge Powers, Karen E.
Attorney, Agent or Firm:
Adams & Wilks

1. The ornamental design for a mechanical pencil, as shown and described.


FIG. 1 is a perspective view of the front, bottom and left side of a mechanical pencil showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a bottom view, a top plan view being a mirror image thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is an enlarged left side view thereof; and,

FIG. 8 is an enlarged right side view thereof.