US Patent

US7500444 — Actuation indicator for a dispensing device

Formulation · Assigned to Glaxo Group Ltd · Expires 2026-02-26 · 0y expired

Vulnerability score 50/100 Moderate — design-around opportunities exist

What this patent protects

This patent protects an actuation indicator for a dispensing device that includes a rotatable wheel and a ratchet pawl mechanism.

USPTO Abstract

An actuation indicator that includes a drum sub-assembly, which includes a rotatable actuation indicator wheel, a rocking, ratchet pawl for rotating the indicator wheel in a set direction and a rocking mechanism for the pawl driven by a slipping clutch arrangement, is described. The slipping clutch arrangement includes a slipping clutch spring engaged at one end to a pinion of a rack and pinion assembly and at a second end to the ratchet pawl.

Drugs covered by this patent

Patent Metadata

Patent number
US7500444
Jurisdiction
US
Classification
Formulation
Expires
2026-02-26
Drug substance claim
No
Drug product claim
Yes
Assignee
Glaxo Group Ltd
Source
FDA Orange Book + USPTO grounding via Google Patents

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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