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Official data from INPI

PRODUTO À BASE DE CIMENTO CONTENDO FIBRAS DE VIDRO

PublicadaInvention Patent

Application data

Number

PI8706456

Type

Invention Patent

Filing

11/30/1987

Publication

06/20/1989

Progress at the INPI

  1. Filing11/30/87
  2. Publication06/20/89
  3. Examination07/30/91
  4. Allowance03/07/95
  5. Grant09/26/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 06/20/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

V. S. (pessoa física)

FR

Inventors

J. S. (pessoa física)

FR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

06/20/1989

RPI 974

Pedido de patente depositado

#2.1

03/29/1988

RPI 910

Carta-patente expirada

#21.1

Patente extinta em 30/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/26/1995

RPI 1295

Deferimento

#9.1

03/07/1995

RPI 1266

Exigência - art. 36 da LPI

#6.1

08/16/1994

RPI 1237

Solicitação de exame técnico

#4.1

07/30/1991

RPI 1078

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