Personal protection system and method
US11219254B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 10, 2020 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Jul 10, 2040 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA42B3/225
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A facial shield for a protective headgear system includes a polymeric sheet having an upper portion configured to be coupled to a support and a lower portion having a lower extremity, wherein the upper portion includes a first hole, a second hole, and a third hole, each one of the first, second, and third holes laterally spaced from the other two of the first, second, and third holes, and the first hole including a first section having a first hole gap and a second section laterally adjacent the first section and having a second hole gap, wherein the first hole gap of the first hole is greater than or equal to the maximum vertical dimension of a first hook of the support, and wherein the second hole gap of the first hole is greater than a vertical base thickness of a base of the first hook and is less than the maximum vertical dimension of the first hook.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.