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Official data from INPI

MATERIAL DE BARREIRA PARA CUPINS, CAMADA CONTÍNUA DE MATERIAL DE BARREIRA PARA CUPINS E CABO POSSUINDO UM NÚCLEO DE MATERIAL CONDUTOR OU ELEMENTOS, E UM REVESTIMENTO DE PROTEÇÃO CIRCUNDANDO O NÚCLEO.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004365

Type

Invention Patent

Filing

09/03/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing09/03/90
  2. Publication09/03/91
  3. Examination12/14/93
  4. Allowance11/04/97
  5. Grant10/27/98
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. T. (pessoa física)

AU

Inventors

V. T. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

PJ 6128 · 09/04/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/09/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

10/27/1998

RPI 1451

Deferimento

#9.1

11/04/1997

RPI 1405

Exigência - art. 36 da LPI

#6.1

07/02/1996

RPI 1335

Solicitação de exame técnico

#4.1

12/14/1993

RPI 1202

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

03/12/1991

RPI 1058

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