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Official data from INPI

PROCESSO DE TRATAMENTO DE SUPERFÍCIE DE COMPONENTE DE AÇO.

Em AnáliseInvention Patent

Application data

Number

PI8702145

Type

Invention Patent

Filing

04/10/1987

Publication

02/09/1988

Progress at the INPI

  1. Filing04/10/87
  2. Publication02/09/88
  3. Examination07/12/88
  4. Refused11/01/94
  5. Grant
  6. In force

The application was refused on 11/01/1994 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lucas Industries Public Limited Company

GB

See this company's full portfolio

Inventors

C. D. (pessoa física)

GB

D. T. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

86.08747 · 04/10/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/12/1988

RPI 925

Publicação do pedido de patente

#3.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

111

11/01/1994

RPI 1248

120

10/05/1993

RPI 1192

Petição de recurso

#12.2

06/22/1993

RPI 1177

Indeferimento

#9.2

03/16/1993

RPI 1163

Conhecimento de parecer técnico

#7.1

01/21/1992

RPI 1103

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