GB Patent

GB1581474A — Vaginal ring

Assigned to Bayer Pharma AG · Expires 1980-12-17 · 45y expired

What this patent protects

Patent listed against null.

Drugs covered by this patent

Patent Metadata

Patent number: GB1581474A
Jurisdiction: GB
Classification: —
Expires: 1980-12-17
Drug substance claim: No
Drug product claim: No
Assignee: Bayer Pharma AG
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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