Electronic digital watch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 10, 1983
Issued Date -
N/A
app pub date -
Dec 22, 1977
filing date -
Dec 22, 1975
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A writing implement containing electrical circuitry for keeping and displaying time. The implement includes an elongated barrel portion with a writing element having a tip portion protruding from one end thereof and an electrical time keeping device defined by an elongated support in the form of a chip or circuit board disposed within the barrel portion and having a plurality of numerical display elements which extend in a row longitudinally of the barrel of the implement and are aligned behind an elongated window which extends across a longitudinally extending opening in the wall of the barrel. Structures are provided for easily retaining and removing a battery with respect to the barrel to arrange it in circuit with electrical circuitry supported by the circuit board. Structures are also provided for easily removing the elongated circuit board from the barrel and replacing it with another board or after it has been repaired.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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