CA3052343A1 — Inhalers and related methods
Assigned to Norton Waterford Ltd · Expires 2018-08-23 · 8y expired
What this patent protects
An inhaler (10) for the inhalation of inhalable substances comprise: a canister (50) having an interior reservoir (84) containing pressurised inhalable substances including fluid; a metering valve (52) including a metering chamber (82) and a valve stem (54) defining a communicati…
USPTO Abstract
An inhaler (10) for the inhalation of inhalable substances comprise: a canister (50) having an interior reservoir (84) containing pressurised inhalable substances including fluid; a metering valve (52) including a metering chamber (82) and a valve stem (54) defining a communication path between the metering chamber and the interior reservoir, the communication path (86) including an opening (106) configured to permit flow between a transfer space inside the valve stem and the interior reservoir, the interior reservoir being arranged for orientation above the metering chamber whereby gas such as air located within the metering chamber is replaced with liquid from the interior reservoir.
Drugs covered by this patent
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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