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Official data from INPI

CORPO ALVEOLAR, SOBRETUDO CORPO PORTA-CATALISADOR, E PROCESSO PARA A SUA FABRICAÇÃO

PublicadaInvention Patent

Application data

Number

PI8702369

Type

Invention Patent

Filing

05/11/1987

Publication

02/17/1988

Progress at the INPI

  1. Filing05/11/87
  2. Publication02/17/88
  3. Examination03/27/90
  4. Allowance06/20/95
  5. Grant08/27/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Interatom GmbH

DE

S. A. (pessoa física)

DE

See this company's full portfolio

Inventors

T. C. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 15 902.6 · 05/12/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/17/1988

RPI 904

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 11/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

08/27/1996

RPI 1343

Notificação para pagamento de retribuição

#13.1

06/18/1996

RPI 1333

9.1.3

12/05/1995

RPI 1305

Deferimento

#9.1

06/20/1995

RPI 1281

14.1

05/03/1994

RPI 1222

Solicitação de exame técnico

#4.1

03/27/1990

RPI 1011

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