Slip-on face shield
US4975981A · kind A · utility
53Cited by
20References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 21, 1989 |
| Grant date | Dec 11, 1990 |
| Priority date | — |
| Expiry date | Aug 21, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61F9/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A flexible dome-shaped cap is connected to a face shield and is designed to slip over a hard hat. The face shield fits in place to temporarily protect the wearer from splashing liquids and solid particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.