CA Patent

CA2379436A1 — Container lid having gasketless liquid seal

Assigned to Ropak Corp · Expires 2002-10-12 · 24y expired

What this patent protects

Apparatus includes a lid and a container/lid combination, in which the interface between the lid and container provides a liquid-tight seal without the need for a separate gasket member or device. Various embodiments include corresponding tongue and groove elements, and mating ta…

USPTO Abstract

Apparatus includes a lid and a container/lid combination, in which the interface between the lid and container provides a liquid-tight seal without the need for a separate gasket member or device. Various embodiments include corresponding tongue and groove elements, and mating tapered channels and edges. Detents or engagement structures may be provided to hold the lid to the container in the desired relationship.

Drugs covered by this patent

Patent Metadata

Patent number
CA2379436A1
Jurisdiction
CA
Classification
Expires
2002-10-12
Drug substance claim
No
Drug product claim
No
Assignee
Ropak Corp
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.

Track this patent

Get a daily-checked alert when vulnerability score, expiry, classification, or assignee changes. Email, Slack, or Teams delivery. Pro: 50 watches, Free: 3.