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Official data from INPI

PROCESSO PARA A FABRICAÇÃO DE UMA FOLHA DE FIBRAS REFORÇADORAS E FOLHA FIBROSA

PublicadaInvention Patent

Application data

Number

PI8703884

Type

Invention Patent

Filing

07/27/1987

Publication

03/29/1988

Progress at the INPI

  1. Filing07/27/87
  2. Publication03/29/88
  3. Examination10/16/90
  4. Allowance08/02/94
  5. Grant03/28/95
  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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Wiggins Teape Group Limited

GB

See this company's full portfolio

Inventors

A. W. (pessoa física)

GB

B. R. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

8618733 · 07/31/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/29/1988

RPI 910

Pedido de patente depositado

#2.1

10/06/1987

RPI 885

Carta-patente expirada

#21.1

Patente extinta em 27/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/29/1994

RPI 1252

Deferimento

#9.1

08/02/1994

RPI 1235

Conhecimento de parecer técnico

#7.1

11/30/1993

RPI 1200

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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