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Official data from INPI

FILTRO PARA OLEO DIESEL

IndeferidaInvention Patent

Application data

Number

PI8105980

Type

Invention Patent

Filing

09/18/1981

Publication

04/26/1983

Progress at the INPI

Under appeal
  1. Filing09/18/81
  2. Publication04/26/83
  3. Examination05/28/85
  4. Refused03/04/87
  5. Grant
  6. In force

The application was refused by the INPI on 03/04/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/04/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALSINTER ELEMENTOS SINTERIZ [BR]

Inventors

C. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/04/1987

RPI 854

Conhecimento de parecer técnico

#7.1

12/31/1985

RPI 793

Solicitação de exame técnico

#4.1

05/28/1985

RPI 762

14.7

05/08/1984

RPI 707

14.4

05/02/1984

RPI 706

Publicação do pedido de patente

#3.1

04/26/1983

RPI 653

Pedido de patente depositado

#2.1

11/03/1981

RPI 576

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01D 29/26; F02M 37/22.

03/27/2018

RPI 2464

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