Hole technology
US4353948A · kind A · utility
1Cited by
6References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 12, 1980 |
| Grant date | Oct 12, 1982 |
| Priority date | — |
| Expiry date | May 12, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24314
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of making a line of sight opening in an article wherein the line of sight opening in the article is partially defined by material on one surface of the article and partially defined by material on the opposite surface of the article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.