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Official data from INPI

PROCESSO E COMPOSICAO APERFEICOADOS PARA A PREPARACAO DE UM ELETRODEPOSITO

ConcedidaInvention Patent

Application data

Number

PI7706445

Type

Invention Patent

Filing

10/04/1976

Publication

-

Progress at the INPI

  1. Filing10/04/76
  2. Publication
  3. Examination
  4. Allowance03/15/88
  5. Grant09/27/88
  6. Terminated01/21/92

The patent was granted on 09/27/1988 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: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M & T CHEMICALS INC

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Inventors

H. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

07/19/1988

RPI 926

Deferimento

#9.1

03/15/1988

RPI 908

11.8

08/11/1987

RPI 877

Retificação

#15.3

04/22/1987

RPI 861

Exigência - art. 36 da LPI

#6.1

10/14/1986

RPI 834

Exigência - art. 36 da LPI

#6.1

04/06/1982

RPI 598

15.0

11/03/1981

RPI 576

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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