Official data from INPI

ARTIGOS CONCRETO RESISTENTES A ÁCIDO, NA FORMA DE TUBULAÇÕES DE CONCRETO DE ENXOFRE, TUBULAÇÕES DE CONCRETO DE ENXOFRE E PROCESSO PARA FABRICÁ-LAS

ArquivadaInvention PatentPCT · DK1990000051

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Application data

Number

PI9007208

Type

Invention Patent

Filing

02/22/1990

Publication

02/18/1992

PCT

DK1990000051

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Progress at the INPI

Filing02/22/90
Publication02/18/92
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 02/22/1990 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/28/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K K K K A/S, companhia dinamarquesa

Inventors

L. L. (pessoa física)

Technical data

IPC Classification

C04B 28/36

Priority claims

1175/89 · 03/10/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/28/1994

RPI 1230

Notificação de entrada na fase nacional - PCT

#1.3

02/18/1992

RPI 1107

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