Depth gauge
US4098110A · kind A · utility
9Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 4, 1977 |
| Grant date | Jul 4, 1978 |
| Priority date | — |
| Expiry date | May 4, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB63C11/02
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A capillary depth gauge employs a transparent cover member having an annular magnifying lens portion overlying the capillary passageway to facilitate reading of the gauge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.