EP3998096A2 — Breath actuated inhaler
Assigned to Norton Waterford Ltd · Expires 2022-05-18 · 4y expired
What this patent protects
A metered dose inhaler and in particular, a breath actuated metered dose inhaler, providing a valve port (1095) and a diaphragm (1000) for a pneumatic force holding unit of a breath actuated metered dose inhaler, a flap valve (36) for the canister fire system of a breath actuated…
USPTO Abstract
A metered dose inhaler and in particular, a breath actuated metered dose inhaler, providing a valve port (1095) and a diaphragm (1000) for a pneumatic force holding unit of a breath actuated metered dose inhaler, a flap valve (36) for the canister fire system of a breath actuated metered dose inhaler, as well as methods for manufacturing and assembling the same. The valve port comprises an annular boss (1100) defining a valve orifice channel (78), wherein valve port further comprises two or more radially outwardly extending projections (1106,1107) defining a path through which polymer entered the boss during injection moulding, wherein the radially outwardly extending projections are substantially uniformly circumferentially separated.
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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