Smith Corona Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D412904 Telephone headset amplifier unitAug 13, 98Aug 17, 99[1403]
D405093 Telephone headset amplifier unitFeb 09, 98Feb 02, 99[1403]
5407622 Process for making metallized plastic articlesJul 08, 93Apr 18, 95[B29C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6141418 Ergonomic telephone headset amplifier unitExpiredSep 30, 98Oct 31, 00[H04M]
5838352 Ink cartridge refilling device and station for cartridges and gravity feed ink bottleExpiredNov 24, 95Nov 17, 98[B41J]
5388922 Miniature keyboardExpiredJul 23, 93Feb 14, 95[B41J, H01H]
5383735 Miniature keyboard with sliding keysExpiredJul 21, 94Jan 24, 95[B41J]
5267803 Cassette having compatibility arrangementExpiredNov 09, 92Dec 07, 93[B41J]
D335123 Portable word processorExpiredNov 30, 90Apr 27, 93[]
5199804 Quiet impact printer mechanismExpiredOct 24, 91Apr 06, 93[B41J]
D333816 Word processorExpiredApr 03, 91Mar 09, 93[]
D333830 Word processorExpiredJan 22, 91Mar 09, 93[]
5183344 Quiet impact printer mechanismExpiredMay 31, 91Feb 02, 93[B41J]
D332960 TypewriterExpiredAug 20, 90Feb 02, 93[]
5174666 Printing device having printwheel coupling meansExpiredFeb 12, 92Dec 29, 92[B41J]
5174671 Printing mechanism with print hammer having noise dampenerExpiredOct 28, 91Dec 29, 92[B41J]
5165145 Hinge for use with portable electronic apparatusExpiredSep 27, 90Nov 24, 92[E05C, E05D]
5158382 Integral locking device for a typewriterExpiredJan 09, 92Oct 27, 92[B41J]
5109573 Brake mechanism for a pivotable character displayExpiredSep 27, 90May 05, 92[E05C, E05D]
5106213 Thermal print head control mechanismExpiredJun 01, 90Apr 21, 92[B41J]
5098208 Ribbon cassette with integral paper guideExpiredDec 12, 90Mar 24, 92[B41J]
5089897 Facsimile paper supply cartridge systemExpiredFeb 08, 90Feb 18, 92[H04N, B41F, G01D]
5074689 Ribbon cassette with integral paper guideExpiredOct 15, 90Dec 24, 91[B41J]

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