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Official data from INPI

ARTIGO ISOLANTE À BASE DE FIBRAS MINERAIS, E, PROCESSO PARA SUA PREPARAÇÃO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9105078

Type

Invention Patent

Filing

11/22/1991

Publication

06/23/1992

Progress at the INPI

  1. Filing11/22/91
  2. Publication06/23/92
  3. Examination05/31/94
  4. Allowance12/07/99
  5. Grant05/16/00
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

F. B. (pessoa física)

FR

M. K. (pessoa física)

FR

M. B. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

90 14852 · 11/28/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/11/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

05/16/2000

RPI 1532

Deferimento

#9.1

12/07/1999

RPI 1509

Exigência - art. 36 da LPI

#6.1

04/29/1997

RPI 1378

Exigência - art. 36 da LPI

#6.1

09/10/1996

RPI 1345

Solicitação de exame técnico

#4.1

05/31/1994

RPI 1226

Publicação do pedido de patente

#3.1

06/23/1992

RPI 1125

Pedido de patente depositado

#2.1

01/21/1992

RPI 1103

Pedido de patente depositado

#2.1

01/07/1992

RPI 1101

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