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Official data from INPI

CONTRA-ELETRODO PARA SISTEMA ELETROCRÔMICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905853

Type

Invention Patent

Filing

11/21/1989

Publication

06/12/1990

Progress at the INPI

  1. Filing11/21/89
  2. Publication06/12/90
  3. Examination09/01/92
  4. Allowance04/25/95
  5. Grant10/31/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. I. (pessoa física)

FR

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Inventors

B. B. (pessoa física)

FR

C. P. (pessoa física)

FR

F. D. (pessoa física)

FR

F. L. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

88.15086 · 11/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

04/25/1995

RPI 1273

Exigência - art. 36 da LPI

#6.1

11/22/1994

RPI 1251

Solicitação de exame técnico

#4.1

09/01/1992

RPI 1135

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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