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Official data from INPI

REVESTIMENTO PARA ISOLAMENTO DE FIOS E CABOS ELÉTRICOS E FIOS E CABOS ELÉTRICOS

Prazo de SigiloInvention Patent

Application data

Number

PI8903848

Type

Invention Patent

Filing

07/26/1989

Publication

02/05/1991

Progress at the INPI

  1. Filing07/26/89
  2. Publication02/05/91
  3. Examination06/11/91
  4. Allowance08/17/99
  5. Grant05/30/00
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Furukawa Industrial S/A - Produtos Elétricos

SP, BR

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Inventors

F. S. (pessoa física)

BR

J. S. (pessoa física)

BR

K. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/28/1989

RPI 997

Carta-patente expirada

#21.1

Patente extinta em 30/05/2010

12/26/2012

RPI 2190

Concessão da patente

#16.1

05/30/2000

RPI 1534

Deferimento

#9.1

08/17/1999

RPI 1493

Exigência - art. 36 da LPI

#6.1

11/17/1998

RPI 1454

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

Publicação do pedido de patente

#3.1

02/05/1991

RPI 1053

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