Patent · US Expired

Indicating arrangement for portable electric devices

US4503425A · kind A · utility

6Cited by
5References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 1980
Grant dateMar 5, 1985
Priority date
Expiry dateJul 7, 2000

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09F9/00
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A portable electric device in which a surveying arrangement is incorporated for permitting a reading of the corresponding operating condition. The surveying arrangement consists of a visual reading instrument which is arranged on the casing so as to be within the range of vision and which is indicating respective characteristic data of the corresponding operating condition.

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