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Official data from INPI

CATALISADOR TRÍPLICE PARA CONTROLE DA EMISSÃO DE AUTOMÓVEIS E PROCESSO DE PREPARAÇÃO DO MESMO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9005690

Type

Invention Patent

Filing

11/09/1990

Publication

09/17/1991

Progress at the INPI

  1. Filing11/09/90
  2. Publication09/17/91
  3. Examination06/30/92
  4. Allowance03/21/00
  5. Grant07/11/00
  6. Expired05/21/13

The letters patent expired on 05/21/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ford Motor Company

US

See this company's full portfolio

Inventors

H. G. (pessoa física)

US

M. C. (pessoa física)

US

W. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

440.525 · 11/22/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/11/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

07/11/2000

RPI 1540

Republicação - classificação IPC

#15.11

Alterada a clasificação para Int. Cl.6 B01D 53/94.

03/21/2000

RPI 1524

Deferimento

#9.1

03/21/2000

RPI 1524

Exigência - art. 36 da LPI

#6.1

08/31/1999

RPI 1495

Solicitação de exame técnico

#4.1

06/30/1992

RPI 1126

Publicação do pedido de patente

#3.1

09/17/1991

RPI 1085

Pedido de patente depositado

#2.1

04/30/1991

RPI 1065

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