Patent · US Expired

Level with attachments

US6640456B2 · kind B2 · utility

32Cited by

31References

2Claims

0Family size

Inventors

Greg J. Owoc · Greenville, US
Tim Mika · Rogers, US

Key dates

Filing date	Dec 4, 2000
Grant date	Nov 4, 2003
Priority date	—
Expiry date	Dec 4, 2020

Classification

Technology area (CPC G)Physics
CPC primaryG01C9/26
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A level having a frame with a reference surface and a level sensor secured to the frame. The level includes one or more attachment devices that are detachably secured to the level. The one or more attachment devices may include a torpedo level, a second level sensor, a tape measure, a writing instrument, notepad, or other auxiliary device that may be used by a user of the level.

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