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Official data from INPI

BRIQUETES DE MATERIAIS COMBUSTÍVEIS, PROCESSO PARA SUA OBTENÇÃO E RESPECTIVA APLICAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8102843

Type

Invention Patent

Filing

05/07/1981

Publication

02/02/1982

Progress at the INPI

Technical opinion to answer
  1. Filing05/07/81
  2. Publication02/02/82
  3. Examination01/31/84
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 03/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Akzo N.V.

NL

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Inventors

P. G. (pessoa física)

S. H. (pessoa física)

S. H. (pessoa física)

V. A. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

30175996 · 05/08/1980

DE

31141412 · 04/08/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

03/08/1988

RPI 907

Conhecimento de parecer técnico

#7.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

01/31/1984

RPI 693

Publicação do pedido de patente

#3.1

02/02/1982

RPI 589

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