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Official data from INPI

PROCESSO DE DESCAREPAÇÃO MECÂNICA E EQUIPAMENTO DESCAREPADOR MECÂNICO

PublicadaInvention Patent

Application data

Number

PI8706668

Type

Invention Patent

Filing

12/09/1987

Publication

08/15/1989

Progress at the INPI

  1. Filing12/09/87
  2. Publication08/15/89
  3. Examination11/27/90
  4. Allowance12/13/94
  5. Grant06/27/95
  6. Terminated06/25/96

The patent was granted on 06/27/1995 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mendes Júnior Siderurgia S.A

MG, BR

See this company's full portfolio

Inventors

C. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/15/1989

RPI 982

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Anuidade - prazo legal encerrado

#18.2

06/25/1996

RPI 1334

Concessão da patente

#16.1

06/27/1995

RPI 1282

Deferimento

#9.1

12/13/1994

RPI 1254

14.4

08/16/1994

RPI 1237

Exigência - art. 36 da LPI

#6.1

06/07/1994

RPI 1227

15.15

10/19/1993

RPI 1194

15.5

06/29/1993

RPI 1178

Retificação

#15.6

06/01/1993

RPI 1174

Retificação

#15.3

08/27/1991

RPI 1082

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

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