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Official data from INPI

BANHO AQUOSO PARA O LAQUEAMENTO DE ELETROIMERSÃO CATÓDICO

Em AnáliseInvention Patent
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Application data

Number

PI8604096

Type

Invention Patent

Filing

08/28/1986

Publication

04/14/1987
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Progress at the INPI

  1. Filing08/28/86
  2. Publication04/14/87
  3. Examination03/21/89
  4. Allowance01/24/95
  5. Grant07/25/95
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. W. (pessoa física)

DE

Technical data

IPC Classification

C25D 13/04

Priority claims

DE

P 35 30 843.5 · 08/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/21/1989

RPI 961

Publicação do pedido de patente

#3.1

04/14/1987

RPI 860

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Carta-patente expirada

#21.1

Patente extinta em 28/08/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

06/20/1995

RPI 1281

Deferimento

#9.1

01/24/1995

RPI 1260

Exigência - art. 36 da LPI

#6.1

08/16/1994

RPI 1237

Exigência - art. 36 da LPI

#6.1

01/28/1992

RPI 1104

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