Level and method of manufacturing same
US11493339B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 5, 2021 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | May 5, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01C25/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A level comprising a level body and a bubble vial mounted on the level body. The bubble vial includes a bubble vial body comprising a clear material and an internal cavity containing a liquid. A top opening in the level body that interrupts at least a portion of a top wall to accommodate the bubble vial. An internal support structure disposed within the tubular configuration of the level body and spanning longitudinally along the level body so as to be disposed on both sides of the top opening to provide structural support to the level body in the vicinity of the top opening. A carrier positioned beneath the bubble vial and between the internal support structure and the bubble vial. The bubble vial body has a length that is less than a length of the top opening in the top wall of the level body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.