Alpia S.A.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4958795 Fitting for the sorting of plans in a vertical filing cabinetExpiredJun 13, 89Sep 25, 90[A47H]
4742598 Vertical filing cabinet having a device for balancing and holding lid in a safety positionExpiredOct 09, 86May 10, 88[E05D, E05F, B65D]
4732433 Device preventing the simultaneous opening of a plurality of superposed drawers in a common piece of furnitureExpiredJul 24, 86Mar 22, 88[E05B]
4728162 Device for the compensated guidance and graduated opening of the door of a vertical filing cabinet for suspended plansExpiredFeb 20, 87Mar 01, 88[A47B]
4605189 Anti-fail device for locking a drawing-board pillar against motionExpiredAug 16, 84Aug 12, 86[F16M]
4557450 Drawing board locking deviceExpiredSep 19, 83Dec 10, 85[F16M]
4486956 Control device for drawing instrumentsExpiredJan 10, 83Dec 11, 84[B43L]
4359824 Protractor unit for drawing-boardExpiredJan 15, 80Nov 23, 82[B43L]

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