POLYCITY ENTERPRISE LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F23Q IGNITION 215
 
  
 
F23D BURNERS 131

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D518229 Portion of lighterApr 23, 04Mar 28, 06[2705]
D498877 LighterFeb 09, 04Nov 23, 04[2705]
D482932 LighterJun 04, 03Dec 02, 03[0799]
6315550 Barbecue lighter with gas safety systemFeb 15, 00Nov 13, 01[F23Q]
D410564 LighterJun 12, 98Jun 01, 99[2705]
5769625 Safety lighter with smooth striker wheel edgesNov 12, 96Jun 23, 98[F23D]
5421720 Safety lock lighter with sliding mechanismApr 08, 94Jun 06, 95[F23Q]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6533576 Lighter with child resistant actuating leverExpiredMar 03, 99Mar 18, 03[H01L, F23Q]
2003/0013,058 LighterAbandonedJul 16, 01Jan 16, 03[F23Q, F23D]
2002/0197,577 Lighter with child resistant actuating leverAbandonedJul 30, 02Dec 26, 02[F23D]
6478575 LighterExpiredFeb 12, 01Nov 12, 02[F23Q, F23D]
6431853 LighterExpiredFeb 06, 01Aug 13, 02[F23Q]
6386861 Lighter with safety switchExpiredAug 18, 00May 14, 02[F23D]
6086359 Lighter with a safety systemExpiredDec 13, 99Jul 11, 00[F23D]
5846069 Safety lighter with wheel hoodExpiredAug 20, 96Dec 08, 98[F23D]
5788476 Childproof piezoelectric lighter with sliding mechanismExpiredMay 21, 97Aug 04, 98[F23D]
5704776 Safety lock lighterExpiredDec 22, 93Jan 06, 98[F23D]
5584683 Safety lighter with striker wheel stopperExpiredMar 05, 96Dec 17, 96[F23D]
5509799 Flint replaceable lighterExpiredOct 24, 94Apr 23, 96[F23Q]
5460516 Safety lighter with locking striker wheelExpiredAug 24, 94Oct 24, 95[F23D]
5407346 Push type safety lock lighterExpiredApr 11, 94Apr 18, 95[F23D]
5356286 Child proof safety lock lighterExpiredDec 22, 93Oct 18, 94[F23D]

Top Inventors for This Owner

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