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Official data from INPI

LIGA RESISTENTE À CARBURAÇÃO; OBJETO DE LIGA RESISTENTE À CARBURAÇÃO; LIGA RECOZIDA LAMINADA A QUENTE E ENVELHECIDA; E PROCESSO PARA UTILIZAÇÃO DE COMPONENTES METÁLICOS FEITOS DE LIGA

PublicadaInvention Patent

Application data

Number

PI8706313

Type

Invention Patent

Filing

11/23/1987

Publication

07/19/1988

Progress at the INPI

  1. Filing11/23/87
  2. Publication07/19/88
  3. Examination09/25/90
  4. Allowance
  5. Grant
  6. In force

Published on 07/19/1988, 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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Inco Alloys International, Inc.

US

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Inventors

C. T. (pessoa física)

US

G. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

934.261 · 11/24/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

03/01/1988

RPI 906

Retificação

#15.3

05/25/1993

RPI 1173

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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