Binder device releasably engaging aperture or notch of sheet – Sheet
Patent
1989-12-04
1990-08-28
Yost, Frank T.
Binder device releasably engaging aperture or notch of sheet
Sheet
281 2, 281 5, 402 80R, B42F 500
Patent
active
049520911
ABSTRACT:
A greeting card having a message surface area and a retention strip extending past the edge of the card portion with ring receptors within the retention strip for placement in a ring binder and perforations parallel to and near the inner edge of the retention strip for either ease of folding into the card for mailing or removal of the retention strip from the card and mailing.
REFERENCES:
patent: 1683784 (1927-08-01), Plushkell
patent: 1805268 (1931-05-01), Tresback
patent: 1976198 (1934-10-01), Steenrod
patent: 1992501 (1935-02-01), Newland et al.
patent: 2599768 (1952-06-01), Losch
patent: 3467479 (1969-09-01), Holes et al.
patent: 4789187 (1988-12-01), Corlew et al.
patent: 4809246 (1989-02-01), Jeng
patent: 4838724 (1989-06-01), Spence
Hamill Jr. Thomas
Johnston II H. Kenneth
Yost Frank T.
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