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Official data from INPI

APERFEIÇOAMENTOS EM PROCESSO E MEIO PARA EMULSÃO E QUEIMA DE ÓLEO COMBUSTÍVEL.

Em AnáliseInvention Patent

Application data

Number

PI7907500

Type

Invention Patent

Filing

11/14/1979

Publication

-

Progress at the INPI

  1. Filing11/14/79
  2. Publication
  3. Examination
  4. Refused01/22/91
  5. Grant
  6. In force

The application was refused on 01/22/1991 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compac Sociedade Paulista de Caldeiras Ltda

Inventors

D. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Petição de recurso

#12.2

05/30/1989

RPI 971

Indeferimento

#9.2

02/14/1989

RPI 956

130

08/09/1988

RPI 929

11.8

09/22/1987

RPI 883

Retificação

#15.3

04/22/1987

RPI 861

Exigência - art. 36 da LPI

#6.1

05/20/1986

RPI 813

14.1

07/10/1984

RPI 716

Conhecimento de parecer técnico

#7.1

03/27/1984

RPI 701

Republicação - classificação IPC

#15.11

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

10/19/1982

RPI 626

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01F 3/08; F02M 25/02; F02M 43/04.

03/20/2018

RPI 2463

111

01/22/1991

RPI 1051

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