Filtration mask, packaged filtration mask, and tearable container
AssigneeAvon Polymer Products Limited
InventorsNicholas John Hunter, Philip Adam Smith
Life of this patent
Estimating the term…
Abstract
A packaged filtration mask comprising a filtration mask packaged in a container in a vacuum or a partial vacuum, wherein the packaged filtration mask comprises an indicator configured to indicate the presence of a vacuum or a partial vacuum in the container, or configured to indicate the lack of a vacuum or a partial vacuum in the container.
Claims20
A packaged filtration mask comprising a filtration mask packaged in a container in a vacuum or a partial vacuum, wherein the packaged filtration mask comprises an indicator configured to indicate the presence of a vacuum or a partial vacuum in the container, or configured to indicate the lack of a vacuum or a partial vacuum in the container.
A filtration mask comprising an indicator that is configured to adopt a first configuration when the filtration mask is packaged in a container and there is a vacuum or a partial vacuum in the container, and to adopt a second configuration when the filtration mask is packaged in a container and there is not a vacuum or a partial vacuum in the container.
Dependencies are inferred from the claim text.