Castelli S.p.A.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6170410 Furniture system comprising worktops that can be equipped with fittingsExpiredJun 14, 99Jan 09, 01[A47B]
5715760 Modular furniture system, particularly for offices, comprising self-supporting, multifunctional columnsExpiredMar 03, 95Feb 10, 98[A47B]
5642919 Modular unit and method for producing seatsExpiredMay 17, 96Jul 01, 97[A47C]
D358502 SeatExpiredMar 14, 94May 23, 95[]
D320704 ChairExpiredDec 08, 87Oct 15, 91[]
D300392 Combined desk and side extension unitExpiredNov 21, 85Mar 28, 89[]
D292149 ChairExpiredDec 05, 84Oct 06, 87[]
D291159 ChairExpiredMar 04, 85Aug 04, 87[]
4595236 Articulated chair with weight responsive resilient meansExpiredJul 12, 84Jun 17, 86[A47C]
4585272 Chair having a back comprising a plurality of articulated segmentsExpiredOct 24, 83Apr 29, 86[A47C]
D279947 Combined seat and backrest unit for a chairExpiredApr 22, 83Aug 06, 85[]
4511108 Locking device for the assembling of modular elements of pieces of furnitureExpiredAug 23, 84Apr 16, 85[F16M]
D276864 Furniture leg extension unit or similar articleExpiredJul 08, 81Dec 25, 84[]
4411471 Arm support member for seats or chairs, having a vertically liftable arm restExpiredFeb 12, 81Oct 25, 83[A47C, B60N]

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