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Official data from INPI

PROCESSO E DISPOSITIVO PARA A DEPURACAO DE AGUA

Em ExigênciaInvention Patent
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Application data

Number

PI8404956

Type

Invention Patent

Filing

10/06/1983

Publication

08/20/1985
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Progress at the INPI

  1. Filing10/06/83
  2. Publication08/20/85
  3. Abandoned08/12/86
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HIDROTRON WATERCLEAN SYST [CH]

Inventors

M. G. (pessoa física)

Technical data

IPC Classification

C02F 1/46

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

05/09/1989

RPI 968

6.2

08/02/1988

RPI 928

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

08/20/1985

RPI 774

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

Arquivamento - Art. 36 §1° da LPI

#11.2

06/19/1990

RPI 1023

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