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Official data from INPI

RELÉ DE PROTEÇÃO DIFERENCIAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004278

Type

Invention Patent

Filing

08/29/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/29/90
  2. Publication09/03/91
  3. Examination04/28/92
  4. Allowance05/27/97
  5. Grant01/21/98
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. K. (pessoa física)

JP

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Inventors

M. T. (pessoa física)

JP

Y. T. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

224118/89 · 08/30/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 29/08/2010

01/29/2013

RPI 2195

16.3

Referência: RPI 1413 de 21.01.1998 - item (54)

04/06/1999

RPI 1474

Concessão da patente

#16.1

01/21/1998

RPI 1413

Deferimento

#9.1

05/27/1997

RPI 1382

Exigência - art. 36 da LPI

#6.1

11/26/1996

RPI 1356

Solicitação de exame técnico

#4.1

04/28/1992

RPI 1117

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

03/05/1991

RPI 1057

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