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Official data from INPI

PAINEL ESTRUTURAL.

Em AnáliseInvention Patent

Application data

Number

PI8507185

Type

Invention Patent

Filing

08/22/1985

Publication

07/14/1987

Progress at the INPI

  1. Filing08/22/85
  2. Publication07/14/87
  3. Examination09/06/88
  4. Allowance04/10/90
  5. Grant12/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Corflex International Inc.

US

Inventors

J. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

694,185 · 03/01/1985

US

PCT/85/01593 · 08/22/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

07/18/1989

RPI 978

15.9

09/06/1988

RPI 933

Solicitação de exame técnico

#4.1

09/06/1988

RPI 933

Notificação de entrada na fase nacional - PCT

#1.3

07/14/1987

RPI 873

Carta-patente expirada

#21.1

Patente extinta em 22/08/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

12/26/1990

RPI 1047

Notificação para pagamento de retribuição

#13.1

08/14/1990

RPI 1028

Deferimento

#9.1

04/10/1990

RPI 1013

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