Patent · US Active

Multipurpose writing instrument

US8864397B2 · kind B2 · utility

6Cited by
6References
24Claims
0Family size

Inventor

Key dates

Filing dateNov 26, 2010
Grant dateOct 21, 2014
Priority date—
Expiry dateNov 26, 2031

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01C9/26
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A disposable writing instrument is provided for carpenters, masons and other tradesmen. The instrument is a lead pencil which comprises one or more accessories, including a level and a ruler. The level is positioned about the center of the instrument. Either or both ends of the instrument are adapted to be used to mark a surface.

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