S.T. DUPONT

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
1906 MATERIALS AND INSTRUMENTS FOR WRITING BY HAND, FOR DRAWING, FOR PAINTING, FOR SCULPTURE, FOR ENGRAVING AND FOR OTHER ARTISTIC TECHNIQUES623
 
  
 
2705 LIGHTERS54
 
  
 
A24C MACHINES FOR MAKING CIGARS OR CIGARETTES116

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D809706 LighterJul 23, 15Feb 06, 18[2705]
D717488 LighterAug 24, 12Nov 11, 14[2705]
D716378 Ballpoint penDec 12, 12Oct 28, 14[1906]
8656595 Cigar cutterOct 20, 09Feb 25, 14[A24C]
D679322 PenAug 23, 11Apr 02, 13[1906]
D679051 LighterAug 24, 12Mar 26, 13[2705]
D652079 Ballpoint penJul 02, 10Jan 10, 12[1906]
D625465 Lighter for lighting fireplaces and candlesJan 25, 10Oct 12, 10[2705]
D625466 Lighter for smokersJan 25, 10Oct 12, 10[2705]
D622768 PenSep 30, 09Aug 31, 10[1906]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D371576 Ball-point penExpiredSep 13, 94Jul 09, 96[]
D367887 Ball-point penExpiredSep 14, 94Mar 12, 96[]
D367673 Fountain penExpiredSep 14, 94Mar 05, 96[]
D363949 Fountain penExpiredSep 13, 94Nov 07, 95[]
D363808 LighterExpiredSep 13, 94Oct 31, 95[]
D345438 Table lighterExpiredOct 19, 92Mar 22, 94[]
D337951 Small clockExpiredAug 08, 91Aug 03, 93[]
D337853 LighterExpiredAug 21, 91Jul 27, 93[]
D335194 LighterExpiredFeb 11, 91Apr 27, 93[]
D333486 Ball point penExpiredFeb 28, 90Feb 23, 93[]
D331259 Fountain penExpiredFeb 28, 90Nov 24, 92[]
D326821 Wrist-watchExpiredMay 18, 89Jun 09, 92[]
D326822 Wrist-watchExpiredMay 18, 89Jun 09, 92[]
D324071 Writing instrumentExpiredJan 15, 88Feb 18, 92[]
D323529 Writing instrumentExpiredJan 15, 88Jan 28, 92[]
D317365 LighterExpiredJan 05, 89Jun 04, 91[]
D315834 ScarfExpiredAug 17, 87Apr 02, 91[]
D314639 Cigar cutterExpiredJan 04, 89Feb 12, 91[]
D309525 Key-ringExpiredJun 04, 86Jul 31, 90[]
D304976 Key-ringExpiredJun 04, 86Dec 12, 89[]

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Top Inventors for This Owner

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