Method of using a level
US7150106B2 · kind B2 · utility
16Cited by
23References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 2, 2005 |
| Grant date | Dec 19, 2006 |
| Priority date | — |
| Expiry date | Dec 2, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C9/26
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A water or spirit level is composed of an elongated body, preferably of metal, at least one bubble mounted in the elongated body, and end caps, preferably of plastics material, at the end faces of the elongated body, wherein at least one outer surface of the elongated body constitutes a preferred measuring surface. At least one of the end caps is releasably connected to the level body such that the end cap can optionally be removed and once again replaced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.