Teaching hands for an analog timepiece

Horology: time measuring systems or devices – Displays or display device details – Dial or hand

Reexamination Certificate

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Details

C434S304000

Reexamination Certificate

active

07136327

ABSTRACT:
Novel hour and minute hands for teaching reading and passage of time on an analog timepiece. The invention comprises hour and minute hands located centrally and pivotally on the timepiece. The hour hand having at its outer tip a shape through which the hour numerals can be read. The shaft of the hour hand being of a length such that the shape at the tip highlights the correct hour numeral. The shape is sized and positioned on the tip of the hour hand such that when the shaft is set to normal hour hand positions, the correct hour numeral is visible through the shape. The minute hand having at its outer tip a shape through which the minute numerals can be read. The minute hand being of a length such that the hollow shape highlights the correct minute numeral.

REFERENCES:
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patent: 328122 (1885-10-01), Dietz
patent: 1851824 (1932-03-01), Fewell
patent: 3142148 (1964-07-01), Morgan et al.
patent: 3358437 (1967-12-01), Burg
patent: 4124945 (1978-11-01), Totten
patent: 4219943 (1980-09-01), Grimes
patent: 5030104 (1991-07-01), Caldwell
patent: 5134596 (1992-07-01), Harris
patent: 6071124 (2000-06-01), Ang
patent: 2005/0254351 (2005-11-01), Brown et al.

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