Ear muff support for a safety helmet with ear muffs
USD248191S · kind S · design
5Cited by
0References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 1976 |
| Grant date | Jun 20, 1978 |
| Priority date | — |
| Expiry date | Jun 20, 1992 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.