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Official data from INPI

PROCESSO DE UTILIZAÇÃO DE CHAPAS DURA DE FIBRAS DE MADEIRA

ConcedidaInvention Patent

Application data

Number

PI8200654

Type

Invention Patent

Filing

02/08/1982

Publication

10/11/1983

Progress at the INPI

  1. Filing02/08/82
  2. Publication10/11/83
  3. Examination01/10/84
  4. Allowance05/13/86
  5. Grant12/30/86
  6. Terminated11/15/94

The patent was granted on 12/30/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Duratex Sociedade Anônima

SP, BR

See this company's full portfolio

Inventors

A. F. (pessoa física)

BR

J. M. (pessoa física)

BR

J. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

10/11/1983

RPI 677

Pedido de patente depositado

#2.1

03/30/1982

RPI 597

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

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