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Official data from INPI

PROCESSO PARA PRECIPITAR CONTINUAMENTE SULFETO DE NIQUEL, SOB ELEVADA TEMPERATURA E PRESSÃO, DE UMA SOLUÇÃO AQUOSA DE FORMADORES DE SULFETO METÁLICO

Em ExigênciaInvention Patent

Application data

Number

PI8303263

Type

Invention Patent

Filing

06/20/1983

Publication

02/07/1984

Progress at the INPI

  1. Filing06/20/83
  2. Publication02/07/84
  3. Examination05/27/86
  4. Allowance02/24/93
  5. Abandoned
  6. In force

The application was allowed on 02/24/1993 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: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compagnie Française D'Entreprises Minieres Metallurgiques Et D'Investissements Cofremmi

FR

Inventors

R. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

390.451 · 06/21/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

01/03/1989

RPI 950

6.2

02/24/1987

RPI 853

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

02/07/1984

RPI 694

Pedido de patente depositado

#2.1

08/02/1983

RPI 667

Arquivamento - Art. 38 §2° da LPI

#11.4

10/19/1993

RPI 1194

Notificação para pagamento de retribuição

#13.1

06/08/1993

RPI 1175

Deferimento

#9.1

02/24/1993

RPI 1160

Exigência - art. 36 da LPI

#6.1

05/19/1992

RPI 1120

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