Patent · US Expired

Animal track teaching

US4204705A · kind A · utility

2Cited by
3References
7Claims
0Family size

Inventors

Key dates

Filing dateNov 21, 1977
Grant dateMay 27, 1980
Priority date—
Expiry dateNov 21, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09B23/36
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

Full-scale representations of animal tracks indicating animal activity are located on a sheet. The sheet is placed outdoors in a natural setting where the tracks may be interpreted by an observer.

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