An indexing member comprising a card having a generally rectangular shape; a tab-yielding panel, along one edge of the card, folded inwardly and secured inwardly to the card; and at lease two inwardly folded tabs at spaced locations along the edge of the card, each tab being defined by a rupturable tear...http://www.google.fr/patents/US5540513?utm_source=gb-gplus-shareBrevet US5540513 - File indexing system