(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA PRODUÇÃO DE CATALISADOR PARA PURIFICAÇÃO E GASES DE EXAUSTÃO

PublicadaInvention Patent

Application data

Number

PI8704924

Type

Invention Patent

Filing

09/24/1987

Publication

05/17/1988

Progress at the INPI

  1. Filing09/24/87
  2. Publication05/17/88
  3. Examination01/29/91
  4. Allowance
  5. Grant
  6. In force

Published on 05/17/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

See this company's full portfolio

Inventors

M. F. (pessoa física)

JP

T. C. (pessoa física)

JP

T. W. (pessoa física)

JP

Technical data

Priority claims

JP

61-230026 · 09/30/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/17/1988

RPI 917

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01J 37/02; B01D 53/36.

03/27/2018

RPI 2464

Retificação

#15.3

09/26/1995

RPI 1295

Solicitação de exame técnico

#4.1

01/29/1991

RPI 1052

Solicitação de exame não realizada

#4.2

09/11/1990

RPI 1032

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.