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Official data from INPI

PROCESSO PARA FUSÃO DE MATERIAL CONTENDO FIBRAS INORGÂNICAS, E, DISPOSITIVO PARA REALIZÁ-LO.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000809

Type

Invention Patent

Filing

02/21/1990

Publication

02/05/1991

Progress at the INPI

  1. Filing02/21/90
  2. Publication02/05/91
  3. Examination06/15/93
  4. Allowance03/04/97
  5. Grant11/25/97
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. S. (pessoa física)

FR

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Inventors

V. S. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

8900635-7 · 02/23/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 21/02/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

11/25/1997

RPI 1408

Notificação para pagamento de retribuição

#13.1

09/23/1997

RPI 1399

Deferimento

#9.1

03/04/1997

RPI 1370

Exigência - art. 36 da LPI

#6.1

07/23/1996

RPI 1338

6.2

04/11/1995

RPI 1271

Solicitação de exame técnico

#4.1

06/15/1993

RPI 1176

Publicação do pedido de patente

#3.1

02/05/1991

RPI 1053

Pedido de patente depositado

#2.1

06/05/1990

RPI 1021

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