Spray etcher for work pieces in which the work pieces first move into the etcher in one direction and then leave the etcher in a reverse direction
USD243842S · kind S · design
1Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 20, 1975 |
| Grant date | Mar 29, 1977 |
| Priority date | — |
| Expiry date | Mar 29, 1991 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.