Patent · US Expired

Modelling terrain improvements

US7520748B2 · kind B2 · utility

1Cited by
16References
22Claims
0Family size

Inventor

Key dates

Filing dateMar 17, 2004
Grant dateApr 21, 2009
Priority date
Expiry dateAug 31, 2024

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09B25/06
  • WIPO fieldControl
  • WIPO sectorInstruments

Abstract

A terrain model element and method of manufacture which has a latex shaped layer molded in a drying mold and supported by a flexible foamed plastics material. In one instance the foamed plastics is molded directly into the latex layer.

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