Service indicating device

Details Service indicating device Service indicating device

1975-10-09

1977-06-14

Pitrelli, John F.

Card, picture, or sign exhibiting

Display card

Having a curved display panel

40 63R, G09F 1318

Patent

active

040288315

ABSTRACT:
A service indicating device which includes a casing and a drawer slidably received in the casing. The drawer has a transparent front panel. Indicator element blocks are mounted in the drawer tandemwise with a front face of one of the indicator element blocks adjacent the front panel of the drawer to be viewed through the front panel. Top faces of the indicator element blocks are exposed when the drawer is open. There is indicia on front faces of the indicator element blocks to indicate the time for a service operation. Indicia on top faces of the indicator element blocks indicate the order for the blocks.

REFERENCES:
patent: 107089 (1870-09-01), Nash
patent: 1822878 (1931-09-01), Bauder
patent: 3213269 (1965-10-01), Melvin et al.
patent: 3442039 (1969-05-01), Saizelet

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