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Official data from INPI

PROCESSO PARA A REGENERAÇÃO DE FILTROS DE NEGRO DE FUMO EM MOTORES DIESEL

ArquivadaInvention Patent

Application data

Number

PI9005552

Type

Invention Patent

Filing

11/01/1990

Publication

06/30/1992

Progress at the INPI

  1. Filing11/01/90
  2. Publication06/30/92
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 11/01/1990 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

DE

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Inventors

B. E. (pessoa física)

DE

G. W. (pessoa física)

P. S. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: F01N 3/20; D01D 53/36.

03/27/2018

RPI 2464

Arquivamento - Art. 33 da LPI

#11.1

09/13/1994

RPI 1241

Publicação do pedido de patente

#3.1

06/30/1992

RPI 1126

Pedido de patente depositado

#2.1

04/30/1991

RPI 1065

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