PILOT PRECISION KABUSHIKI KAISHA
Patent Owner
Stats
- 6 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Sep 03, 2002 most recent publication
Details
- 6 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 305 Total Citation Count
- Nov 17, 1978 Earliest Filing
- 9 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5171097 Mechanical pencil with lead-feeding device operable by forward shakeExpiredMay 20, 92Dec 15, 92[B43K]
4840508 Mechanical pencil capable of automatically propelling successive lengths of leadExpiredAug 21, 87Jun 20, 89[B43K]
4205924 Mechanical pencil with lead-feeding device operable by forward shake of pencilExpiredNov 17, 78Jun 03, 80[B43K]
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