Field blueprint carrier

Details Field blueprint carrier Field blueprint carrier

1990-07-16

1991-07-02

Watts, Douglas D.

Books, strips, and leaves

Book or leaf holder

Cooperating with leaf fold

281 151, 281 45, 281 47, 248451, B42F 300

Patent

active

050280759

ABSTRACT:
A portable carrier for containing, using and displaying blueprints in an outdoor working environment includes an expandable living hinge along the centerline of a planar folio with integral handles and closure devices specifically configured restraining clamps to lock large-sized blueprints in place. The folio can thus be laid flat or posted on a wall for use in the field or folded and carried in convenient fashion using the closures and the handles and closure.

REFERENCES:
patent: 2711909 (1955-06-01), Duffie
patent: 3643363 (1972-02-01), Biro
patent: 3645561 (1972-02-01), Kendall
patent: 4014508 (1977-03-01), Weiss
patent: 4157626 (1979-06-01), Bedinghaus
patent: 4157875 (1979-06-01), Smith et al.
patent: 4243249 (1981-01-01), Goss
patent: 4444418 (1984-04-01), Goldstein
patent: 4530175 (1985-07-01), Wellman
patent: 4628572 (1986-12-01), Chang
patent: 4645163 (1987-02-01), Zovar
patent: 4883381 (1989-11-01), Pisciotti et al.
patent: 4913463 (1990-04-01), Tlapek et al.

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