Underwater writing tablet

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Chalkboard or equivalent means having easily erasable surface

Reexamination Certificate

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Details

C434S415000, C024S01000R, C024S0110CT

Reexamination Certificate

active

07144254

ABSTRACT:
An underwater writing tablet/instrument apparatus comprising a writing tablet having a perimeter edge. A resilient protective border is secured to the perimeter edge of the writing tablet for protecting perimeter edge. A resilient elongate member has opposed first and second ends with the first end attached to the protective border while the second end has a writing instrument receiving component for retaining a desired writing instrument. The elongate member has an normal, unexpanded state and an expanded state in which the coil member is resiliently expanded to facilitate a diver writing on the writing tablet with the writing instrument.

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patent: 5263866 (1993-11-01), Campbell
patent: 5360342 (1994-11-01), Pardner
patent: 2004/0006850 (2004-01-01), Wax

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