Patent · US Active

Level

US12055415B2 · kind B2 · utility

0Cited by
67References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 17, 2022
Grant dateAug 6, 2024
Priority date
Expiry dateJun 17, 2042

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C9/06
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A level includes a frame having a top planar surface, a bottom planar surface, and a web coupling the top planar surface to the bottom planar surface. The top planar surface and the bottom planar surface are parallel. The level further includes a vial supported by the frame. The vial has a longitudinal axis passing through a center of the vial and a body defining an interior containing a liquid and an indicator bubble. The level further includes a plurality of LEDs. Each of the LEDs has a light emitting point, and each of the plurality of LEDs is positioned adjacent an end of the vial and is oriented such that the light emitting point is positioned within the interior of the body of the vial.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.