Elapsed time indicator with moving disc

Details Elapsed time indicator with moving disc Elapsed time indicator with moving disc

2005-08-19

2008-11-11

Leon, Edwin A. (Department: 2833)

Horology: time measuring systems or devices

Time interval

Electrical or electromechanical

C368S223000

Reexamination Certificate

active

07450475

ABSTRACT:
An elapsed time indicator has a see-through region which has a plurality of windows. These windows are each congruent and are arranged at a uniform angular distance from one another. A solid disc is arranged below the said see-through region and has at least two sectors which have different colours and/or designs. In this case, the solid disc is rotatable and the see-through region is firmly connected to the dial plate. The solid disc has a number of radial sectors, adjacent sectors in each case having different colours or grey tints, and each sector has approximately the width of a window.

REFERENCES:
patent: 372074 (1887-10-01), Kuhn
patent: 2437621 (1948-03-01), Strate
patent: 2619793 (1952-12-01), Olschwang
patent: 4006588 (1977-02-01), McMahon et al.
patent: 4206592 (1980-06-01), Maue

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