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Official data from INPI

PROCESSO DE COMBUSTÃO DE LIQUIDO NEGRO DE SODA ISENTO DE ENXOFRE E APARELHO PARA REALIZAÇÃO DO MESMO

ArquivadaInvention PatentPCT · FI1987000144

Application data

Number

PI8707849

Type

Invention Patent

Filing

10/29/1987

Publication

10/03/1989

PCT

FI1987000144

Progress at the INPI

  1. Filing10/29/87
  2. Publication10/03/89
  3. Abandoned06/19/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

FI

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Inventors

E. K. (pessoa física)

FI

Technical data

Priority claims

FI

864436 · 10/31/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/03/1989

RPI 989

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21C 11/07; D21C 11/12.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

05/11/1993

RPI 1171

Exigência - art. 36 da LPI

#6.1

05/19/1992

RPI 1120

Solicitação de exame técnico

#4.1

06/19/1990

RPI 1023

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