Cartridge with a bottom left-handed thread for injecting a...

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate

Design Patent

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Details

CD10S048000

Design Patent

active

D0496294

CLAIM:
The ornamental design of a cartridge with a bottom left-handed thread for injecting a fluorescent dye or lubricant into an air-conditioning or refrigeration system, as shown and described.

REFERENCES:
patent: 4621193 (1986-11-01), Van Hoye
patent: 5673722 (1997-10-01), Brass
patent: D434990 (2000-12-01), Trigiani
patent: 6293319 (2001-09-01), Trigiani

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