Books – strips – and leaves – Book or leaf holder – Cooperating with leaf fold
Patent
1992-07-31
1993-08-17
Rosenbaum, Mark
Books, strips, and leaves
Book or leaf holder
Cooperating with leaf fold
281 45, 281 31, 402 8, 402 73, B42D 300
Patent
active
052362264
ABSTRACT:
A portfolio binder has a jacket including a front panel, and a rear panel foldably joined to the front panel along a jacket fold line. A front flap is foldably joined to the rear panel and secured with a fastening means to the front panel for maintaining the portfolio binder in a closed condition. A plurality of portfolios are individually retained in the jacket, each by an elastic band encircling the jacket fold line and extending between the front and rear covers of the associated portfolio and along a fold line joining the front and rear covers.
REFERENCES:
patent: 730727 (1903-06-01), Wolff
patent: 2336214 (1943-12-01), Bartels
patent: 4519629 (1985-05-01), Podosek
patent: 4639157 (1987-01-01), Herzfeld
Fridie Jr. Willmon
Rosenbaum Mark
The Mead Corporation
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