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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UMA TIRA DE AÇO ELETRO-GALVANIZADA EM UM SÓ LADO, EM UMA LINHA DE REVESTIMENTO; E LINHA DE ELETRO-GALVANIZAÇÃO

PublicadaInvention Patent

Application data

Number

PI8900131

Type

Invention Patent

Filing

01/12/1989

Publication

09/05/1989

Progress at the INPI

  1. Filing01/12/89
  2. Publication09/05/89
  3. Examination08/13/91
  4. Allowance
  5. Grant
  6. In force

Published on 09/05/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Armco, Inc.

US

Armco Steel Company, L.P

US

See this company's full portfolio

Inventors

A. G. (pessoa física)

US

D. S. (pessoa física)

US

D. R. (pessoa física)

US

T. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

144.216 · 01/15/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/05/1989

RPI 985

Pedido de patente depositado

#2.1

02/28/1989

RPI 958

Retificação

#15.3

10/03/1995

RPI 1296

14.1

02/24/1993

RPI 1160

14.7

02/16/1993

RPI 1159

5.2

11/26/1991

RPI 1095

Solicitação de exame técnico

#4.1

08/13/1991

RPI 1080

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