Patents Assigned to ACT Laboratories
  • Album with foldable sheets
    Patent number: 4627640
    Abstract: An automatically foldable and unfoldable album assembly includes a front cover and a rear cover hingedly joined together and a plurality of foldable sheets joined together in strip fashion. Each sheet contains four panels which are joined together along diagonal fold lines. A pair of opposed inner panels are provided with central vertical folds. The outer panels of adjacent sheets are joined together and are joined to the front and rear cover to form a strip. When one sheet is closed, a sheet adjacent thereto will automatically be opened.
    Type: Grant
    Filed: September 27, 1985
    Date of Patent: December 9, 1986
    Assignee: ACT Laboratories
    Inventor: Margaret Markovics