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Official data from INPI

MÉTODO PARA A PRODUÇÃO DE PAINÉIS REFORÇADOS A PARTIR DE UM BLOCO DE MATERIAL DE CONSTRUÇÃO, E PAINEL REFORÇADO RESULTANTE

Arquivada/ExtintaInvention PatentPCT · EP1989000581

Application data

Number

PI8906998

Type

Invention Patent

Filing

05/26/1989

Publication

12/18/1990

PCT

EP1989000581

Progress at the INPI

  1. Filing05/26/89
  2. Publication12/18/90
  3. Examination02/04/92
  4. Allowance12/13/94
  5. Grant07/25/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. L. (pessoa física)

IT

Inventors

G. M. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

67510 A/88 · 06/01/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/05/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

04/18/1995

RPI 1272

Deferimento

#9.1

12/13/1994

RPI 1254

Solicitação de exame técnico

#4.1

02/04/1992

RPI 1105

Notificação de entrada na fase nacional - PCT

#1.3

12/18/1990

RPI 1046

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