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Official data from INPI

PROCESSO PARA INTENSIFICAR A RESISTÊNCIA À CORROSÃO GALVÂNICA E LOCALIZADA DE LIGAS À BASE DE NÍQUEL; E LIGA À BASE DE NÍQUEL

Em AnáliseInvention Patent

Application data

Number

PI9001702

Type

Invention Patent

Filing

04/10/1990

Publication

05/21/1991

Progress at the INPI

  1. Filing04/10/90
  2. Publication05/21/91
  3. Examination10/29/91
  4. Allowance
  5. Grant
  6. In force

Published on 05/21/1991, 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: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Inco Alloys International, Inc

US

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Inventors

E. H. (pessoa física)

J. C. (pessoa física)

J. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

338.965 · 04/14/1989

US

467.810 · 01/26/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

4.1.2

03/24/1992

RPI 1112

Solicitação de exame técnico

#4.1

10/29/1991

RPI 1091

Publicação do pedido de patente

#3.1

05/21/1991

RPI 1068

Pedido de patente depositado

#2.1

08/07/1990

RPI 1027

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