Patent · US Expired

Clay building board and process for producing it

US5322738A · kind A · utility

6Cited by
15References
17Claims
0Family size

Inventor

Key dates

Filing dateNov 25, 1992
Grant dateJun 21, 1994
Priority date
Expiry dateNov 25, 2012

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31971
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The clay tile proposed consists of a clay-bound core layer (20) with, on each side of it, a surface layer (22,24) of netlike tear-resistant textile material which is at least partially embedded in the clay of the core layer (20).

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