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Official data from INPI

DIAFRAGMA PARA ELETRÓLISE EM BANHO DE SAIS FUNDIDOS DE HALOGENETOS METÁLICOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000847

Type

Invention Patent

Filing

02/22/1990

Publication

02/05/1991

Progress at the INPI

  1. Filing02/22/90
  2. Publication02/05/91
  3. Examination05/28/91
  4. Allowance09/29/98
  5. Grant07/27/99
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

FR

Inventors

A. L. (pessoa física)

FR

J. B. (pessoa física)

FR

P. B. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

89 03120 · 02/28/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/02/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

07/27/1999

RPI 1490

Deferimento

#9.1

09/29/1998

RPI 1449

Exigência - art. 36 da LPI

#6.1

02/25/1998

RPI 1418

6.2

04/11/1995

RPI 1271

Solicitação de exame técnico

#4.1

05/28/1991

RPI 1069

Publicação do pedido de patente

#3.1

02/05/1991

RPI 1053

Pedido de patente depositado

#2.1

05/29/1990

RPI 1020

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