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Official data from INPI

PROCESSO PARA PREPARAR UMA FOLHA PERMEÁVEL DE MATERIAL TERMOPLÁSTICO REFORÇADO COM FIBRA DE VIDRO; E MATERIAL DE ENCHIMENTO GRANULAR

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003561

Type

Invention Patent

Filing

07/23/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/23/90
  2. Publication08/27/91
  3. Examination03/30/93
  4. Allowance03/14/00
  5. Grant07/11/00
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. 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

D. J. (pessoa física)

GB

P. W. (pessoa física)

GB

Technical data

Priority claims

UK

8916875.1 · 07/24/1989

UK

8917335.5 · 07/28/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

07/11/2000

RPI 1540

Republicação - classificação IPC

#15.11

Alterada a classificação para Int. Cl.6 C08J 7/04, B29C 67/14, B29C 67/16, B29C 43/00, C08K 3/00 e C08K 3/04.

03/14/2000

RPI 1523

Deferimento

#9.1

03/14/2000

RPI 1523

Exigência - art. 36 da LPI

#6.1

09/14/1999

RPI 1497

Exigência - art. 36 da LPI

#6.1

05/26/1998

RPI 1431

Solicitação de exame técnico

#4.1

03/30/1993

RPI 1165

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

11/06/1990

RPI 1040

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