Lapboard

Details Lapboard Lapboard

1988-10-19

1991-04-16

Mancene, Gene

Card, picture, or sign exhibiting

Check, label, or tag

Holder

40904, G09F 318

Patent

active

050071920

ABSTRACT:
An improved navigation lapboard having two clear sheets clamping sheets of paper between them which allows viewing of the paper and writing on the acrylic sheets without writing directly on the paper. The lapboard is sized to hold an aviation chart and a flight plan side by side and also has holders for writing instruments and clips to compress the plastic sheets together. The lapboard also holds additional writing and reading material on top of the plastic sheets.

REFERENCES:
patent: 1759544 (1930-05-01), Croes
patent: 2294276 (1942-08-01), Callinicos
patent: 3465462 (1969-09-01), Arnt-Jensen
patent: 3533177 (1970-10-01), Tott
patent: 3553864 (1971-01-01), Karlyn et al.
patent: 3820262 (1974-06-01), Dewsnap
patent: 4144664 (1979-03-01), De Korte
patent: 4530175 (1985-07-01), Wellman

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