Electronic marker for buried utilities
USD269664S · kind S · design
2Cited by
2References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 26, 1980 |
| Grant date | Jul 12, 1983 |
| Priority date | — |
| Expiry date | Jul 12, 1997 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.