Binder device releasably engaging aperture or notch of sheet – Sheet
Patent
1990-03-13
1991-05-28
Bell, Paul A.
Binder device releasably engaging aperture or notch of sheet
Sheet
40360, B42D 1500, B42F 1904
Patent
active
050188976
ABSTRACT:
A card file adaptor is described that permits non-destructive mounting of business cards and the like in conventional card files. The adaptor has predetermined openings formed in the bottom edge thereof so that the adaptor may be inserted or removed from standard card files. The adaptor includes an adhesive layer along the upper edge thereof for adhering a business card thereto. Leveling tabs and/or leveling notches are formed in the card file adaptor to provide physical structures for aligning the business card with respect to the card file adaptor for adherence thereto.
REFERENCES:
patent: 4643452 (1987-02-01), Chang
patent: 4713901 (1987-12-01), Wells et al.
patent: 4849056 (1989-07-01), Ristuccia, Sr.
patent: 4917523 (1990-04-01), Merrick et al.
Sample of card file mounting member provided by Merrick Industries, purportedly in public domain circa 1984 (unverified) (attached herebelow).
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