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Official data from INPI

PROCESSO PARA TRATAMENTO DE EFLUENTE AQUOSO.

ArquivadaInvention Patent

Application data

Number

PI8904225

Type

Invention Patent

Filing

08/23/1989

Publication

04/10/1990

Progress at the INPI

  1. Filing08/23/89
  2. Publication04/10/90
  3. Examination06/09/92
  4. Allowance01/10/95
  5. Abandoned
  6. In force

The application was allowed on 01/10/1995 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 02/27/1996. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sappi Limited

ZA

Inventors

C. D. (pessoa física)

M. B. (pessoa física)

V. B. (pessoa física)

Technical data

IPC Classification

Priority claims

ZA

88/6237 · 08/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

02/27/1996

RPI 1317

Notificação para pagamento de retribuição

#13.1

05/30/1995

RPI 1278

Deferimento

#9.1

01/10/1995

RPI 1258

Solicitação de exame técnico

#4.1

06/09/1992

RPI 1123

Publicação do pedido de patente

#3.1

04/10/1990

RPI 1013

Pedido de patente depositado

#2.1

02/06/1990

RPI 1005

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