Illuminated underwater writing tablet

Details Illuminated underwater writing tablet Illuminated underwater writing tablet

1991-02-19

1992-01-21

Husar, Stephen F.

Illumination

Chemiluminescent lighting

362 31, 362 97, 362253, F21K 200

Patent

active

050832425

ABSTRACT:
An illuminated underwater writing tablet having an elongated tubular lightsource housing and an elongated tablet sheet of Plexiglass material. The lightsource housing has an elongated slot in its bottom surface that receives the top edge of the tablet sheet. A chemically activated light stick is removably stored in the light source housing and when it is activated it will illuminate the tablet sheet by directing light through its interior. A grease stick is tethered to one end of the lightsource housing. An end cap is tethered to the other end of the lightsource housing.

REFERENCES:
patent: 3781536 (1973-12-01), Naeseth et al.
patent: 4373282 (1983-02-01), Wragg
patent: 4751615 (1988-06-01), Abrams
patent: 4772986 (1988-09-01), McNemor

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