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Official data from INPI

PROCESSO DE OBTENÇÃO DE MADEIRA EXPLODIDA.

Em AnáliseInvention Patent

Application data

Number

PI8302378

Type

Invention Patent

Filing

05/04/1983

Publication

12/11/1984

Progress at the INPI

Under appeal
  1. Filing05/04/83
  2. Publication12/11/84
  3. Examination05/21/85
  4. Refused01/02/91
  5. Grant
  6. In force

The application was refused by the INPI on 01/02/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CESP - Companhia Energética de São Paulo

SP, BR

See this company's full portfolio

Inventors

L. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.6

05/16/1989

RPI 969

Retificação

#15.3

12/20/1988

RPI 948

Solicitação de exame técnico

#4.1

05/21/1985

RPI 761

Publicação do pedido de patente

#3.1

12/11/1984

RPI 738

Republicação - classificação IPC

#15.11

02/26/1991

RPI 1056

Indeferimento

#9.2

01/02/1991

RPI 1048

Conhecimento de parecer técnico

#7.1

04/03/1990

RPI 1012

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