Blackboard eraser apparatus

Details Blackboard eraser apparatus Blackboard eraser apparatus

1991-01-14

1992-03-31

Hornsby, Harvey C.

Brushing, scrubbing, and general cleaning

Accessories

Coating applicator loading means

1510492, 15260, 152441, B43L 2100

Patent

active

050995413

ABSTRACT:
An apparatus including a lid removably mounted relative to an underlying container, wherein the lid includes a first and second trough spaced juxtaposed to a central trough, wherein the central trough includes an apertured floor, and the first and second troughs are each arranged for selective securement of fluid therewithin. A sponge assembly includes a plate member to overlie the first and second troughs mounting a sponge to the bottom surface of the plate member. The sponge is defined by a sponge height less than a first trough height of the first and second troughs, wherein a second trough height of the central trough is less than the sponge height to permit compression of the sponge within the central trough and removal of excess fluid therefrom. A serpentine handle is mounted to a top surface of the support plate for enhanced manual grasping of the eraser member.

REFERENCES:
patent: 1449856 (1923-03-01), Hampson
patent: 1660351 (1927-05-01), Pataki
patent: 2671239 (1954-03-01), Wisner
patent: 3341876 (1967-09-01), Campbell

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