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Official data from INPI

GASEIFICADOR DE CARVÃO PULVERIZADO COM PARTIDA RÁPIDA.

IndeferidaInvention Patent

Application data

Number

PI8401521

Type

Invention Patent

Filing

03/29/1984

Publication

11/12/1985

Progress at the INPI

Under appeal
  1. Filing03/29/84
  2. Publication11/12/85
  3. Examination01/26/88
  4. Refused10/31/89
  5. Grant
  6. In force

The application was refused by the INPI on 10/31/1989. The invention was never patented.

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Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. G. (pessoa física)

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Inventors

W. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

10/31/1989

RPI 993

Conhecimento de parecer técnico

#7.1

01/31/1989

RPI 954

Solicitação de exame técnico

#4.1

01/26/1988

RPI 901

Publicação do pedido de patente

#3.1

11/12/1985

RPI 786

Pedido de patente depositado

#2.1

06/19/1984

RPI 713

Republicação - classificação IPC

#15.11

08/06/1991

RPI 1079

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