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Official data from INPI

PROCESSO PARA INSTALAR, EM UMA CÉLULA FOTOELÉTRICA, UMA MEMBRANA TROCADORA DE ÍONS

Em AnáliseInvention Patent

Application data

Number

PI8300765

Type

Invention Patent

Filing

02/17/1983

Publication

11/16/1983

Progress at the INPI

Awaiting grant fee payment
  1. Filing02/17/83
  2. Publication11/16/83
  3. Examination02/21/84
  4. Allowance
  5. Grant
  6. In force

The application was allowed by the INPI. The grant of the letters patent is being processed.

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Latest action published by the INPI: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8204574 · 02/17/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Petição de recurso

#12.2

08/06/1985

RPI 772

Indeferimento

#9.2

05/14/1985

RPI 760

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação do pedido de patente

#3.1

11/16/1983

RPI 682

Pedido de patente depositado

#2.1

04/05/1983

RPI 650

Republicação - classificação IPC

#15.11

A classificação anterior era: B01J 39/18

07/25/2017

RPI 2429

Retificação

#15.3

11/23/1993

RPI 1199

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