EP3517155A2 — Breath actuated inhaler
Assigned to Norton Waterford Ltd · Expires 2019-07-31 · 7y 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, the projections being 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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