Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE CORPOS TUBULARES RESISTENTES À CORROSÃO POR FISSURA SOB TENSÃO, BEM COMO CORPO TUBULAR

ArquivadaInvention Patent

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Application data

Number

PI8903914

Type

Invention Patent

Filing

08/03/1989

Publication

03/27/1990

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Progress at the INPI

Filing08/03/89
Publication03/27/90
Abandoned06/09/92
Allowance
Grant
In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/24/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. M. (pessoa física)

Inventors

H. P. (pessoa física)

Technical data

IPC Classification

C21D 9/08

Priority claims

A 1965/88 · 08/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/24/1996

RPI 1360

6.2

03/12/1996

RPI 1319

Solicitação de exame técnico

#4.1

06/09/1992

RPI 1123

Publicação do pedido de patente

#3.1

03/27/1990

RPI 1011

Pedido de patente depositado

#2.1

01/16/1990

RPI 1002

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