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Official data from INPI

CORPO ALVEOLAR, ESPECIALMENTE CORPO DE SUPORTE DE CATALISADOR, CONSTITUÍDO DE UMA MULTIPLICIDADE DE PILHAS DE CHAPA ENTRELAÇADAS

Arquivada/ExtintaInvention PatentPCT · EP1989000311

Application data

Number

PI8907458

Type

Invention Patent

Filing

03/22/1989

Publication

04/02/1991

PCT

EP1989000311

Progress at the INPI

  1. Filing03/22/89
  2. Publication04/02/91
  3. Examination03/10/92
  4. Allowance08/24/99
  5. Grant02/08/00
  6. Expired12/18/12

The letters patent expired on 12/18/2012: 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: 12/18/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. M. (pessoa física)

DE

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Inventors

L. W. (pessoa física)

DE

W. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 32 243.9 · 09/22/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 08/02/2010

12/18/2012

RPI 2189

Concessão da patente

#16.1

02/08/2000

RPI 1518

Deferimento

#9.1

08/24/1999

RPI 1494

Exigência - art. 36 da LPI

#6.1

09/15/1998

RPI 1447

Solicitação de exame técnico

#4.1

03/10/1992

RPI 1110

Notificação de entrada na fase nacional - PCT

#1.3

04/02/1991

RPI 1061

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