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Official data from INPI

PROCESSO PARA A OPERACAO DE UM REATOR DE LEITO TURBULENTO PARA A GASEIFICACAO DE MATERIAL CONTENDO CARBONO

IndeferidaInvention Patent

Application data

Number

PI8008022

Type

Invention Patent

Filing

12/08/1979

Publication

-

Progress at the INPI

Under appeal
  1. Filing12/08/79
  2. Publication
  3. Examination04/12/83
  4. Refused06/17/86
  5. Grant
  6. In force

The application was refused by the INPI on 06/17/1986. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 06/17/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RHEINISCHE BRAUNKOHLENW AG [DE]

Inventors

P. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

06/17/1986

RPI 817

Republicação - classificação IPC

#15.11

06/18/1985

RPI 765

Conhecimento de parecer técnico

#7.1

04/16/1985

RPI 756

Pedido de certificado de adição de invenção

#5.1

08/30/1983

RPI 671

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

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