Scripto-Tokai Corporation
Patent Owner
Stats
- 2 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 09, 2010 most recent publication
Details
- 2 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 226 Total Citation Count
- Aug 31, 1978 Earliest Filing
- 11 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
4505606 Mechanical pencil with self-tapping propelling nut and the method of producing same and propelling a lead contained thereinExpiredJun 21, 82Mar 19, 85[B43K]
4410643 Method of making and the composition for an initially erasable ink for a ball point writing instrumentExpiredMay 07, 82Oct 18, 83[B41K, B43K, C09D, C08K]
4407985 Method of making and improved compositions for an initially erasable ink for a ball point writing instrumentExpiredMay 05, 82Oct 04, 83[B41K, B43K, C09D, C08K]
4349639 Method of making and the composition for an initially erasable ink for a ball point writing instrumentExpiredMar 26, 81Sep 14, 82[C09D]
4329262 Initially erasable ink composition for a ball point writing instrumentExpiredMar 25, 81May 11, 82[C09D, C08L]
4329264 Ballpoint writing instrument containing an initially erasable inkExpiredApr 03, 80May 11, 82[C08K]
Top Inventors for This Owner
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