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Official data from INPI

DISPOSITIVO PARA RETENÇÃO DE POLUENTES EMANADOS POR ESCAPAMENTOS DE VEÍCULOS AUTOMOTORES E MÉTODO DE OBTENÇÃO DE RETENÇÃO EMPREGANDO O MESMO

Em AnáliseInvention Patent

Application data

Number

PI8905637

Type

Invention Patent

Filing

10/30/1989

Publication

04/30/1991

Progress at the INPI

  1. Filing10/30/89
  2. Publication04/30/91
  3. Examination03/24/92
  4. Allowance01/18/94
  5. Grant12/27/94
  6. Terminated10/24/95

The patent was granted on 12/27/1994 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/24/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. N. (pessoa física)

SP, BR

Inventors

C. N. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Publicação do pedido de patente

#3.1

04/30/1991

RPI 1065

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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