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Official data from INPI

ELETRODO PARA ELETRÓLISE E PROCESSO PARA SUA PRODUÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003374

Type

Invention Patent

Filing

07/13/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/13/90
  2. Publication08/27/91
  3. Examination11/12/91
  4. Allowance08/31/99
  5. Grant12/28/99
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Permascand AB

SE

Inventors

A. U. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8902536-5 · 07/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

12/28/1999

RPI 1512

Deferimento

#9.1

08/31/1999

RPI 1495

Exigência - art. 36 da LPI

#6.1

03/23/1999

RPI 1472

Solicitação de exame técnico

#4.1

11/12/1991

RPI 1093

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/15/1991

RPI 1050

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