Replaceable inking cartridge with depletion counter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 16, 1991
Issued Date -
N/A
app pub date -
Oct 19, 1987
filing date -
May 20, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
There is disclosed a replaceable inking cartridge for a printer. The inking cartridge includes an arrangement for indicating when the inking medium of the cartridge has been spent. The indicating arrangement is non-resettable so that the user is prevented from using a spent cartridge for additional printing. The indicating means is useful for signalling the user or the printer about the spent condition of the cartridge.
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Family
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Cited Art Landscape
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