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Official data from INPI

AÇO INOXIDÁVEL DUPLEX

Em AnáliseInvention Patent

Application data

Number

PI8804092

Type

Invention Patent

Filing

08/12/1988

Publication

03/07/1989

Progress at the INPI

  1. Filing08/12/88
  2. Publication03/07/89
  3. Examination10/17/89
  4. Allowance
  5. Grant
  6. In force

Published on 03/07/1989, 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Haynes International, Inc.

US

See this company's full portfolio

Inventors

L. F. (pessoa física)

US

N. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/085.119 · 08/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/17/1989

RPI 991

Publicação do pedido de patente

#3.1

03/07/1989

RPI 959

Pedido de patente depositado

#2.1

01/10/1989

RPI 951

Retificação

#15.3

06/07/1994

RPI 1227

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