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Official data from INPI

EQUIPAMENTO ELETRONICO PARA TRATAMENTO OLIGODINAMICO DE AGUA

Em AnáliseInvention Patent
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Application data

Number

PI8207207

Type

Invention Patent

Filing

12/13/1982

Publication

05/02/1984
View on INPI

Progress at the INPI

  1. Filing12/13/82
  2. Publication05/02/84
  3. Examination08/14/84
  4. Allowance08/20/85
  5. Grant11/25/86
  6. Invalidated09/27/88

The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ISOLUX ELETRICIDADE E ELETRONI [BR]

Inventors

D. P. (pessoa física)

Technical data

IPC Classification

C02F 1/46

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

09/27/1988

RPI 936

200

08/16/1988

RPI 930

200

05/31/1988

RPI 919

Pedido de licença voluntária

#17.1

09/29/1987

RPI 884

Pedido de licença voluntária

#17.1

09/22/1987

RPI 883

121

08/18/1987

RPI 878

Pedido de licença voluntária

#17.1

07/21/1987

RPI 874

Pedido de licença voluntária

#17.1

03/24/1987

RPI 857

Concessão da patente

#16.1

11/25/1986

RPI 840

110

06/17/1986

RPI 817

Recurso

#12.1

12/10/1985

RPI 790

Deferimento

#9.1

08/20/1985

RPI 774

Exigência - art. 36 da LPI

#6.1

01/29/1985

RPI 745

Solicitação de exame técnico

#4.1

08/14/1984

RPI 721

Publicação antecipada

#3.2

05/02/1984

RPI 706

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

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