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Official data from INPI

PROCESSO PARA AUMENTAR A ACESSIBILIDADE DE CELULOSE EM MATERIAIS LIGNOCELULOSICOS,PARTICULARMENTE MADEIRAS DURAS,RESIDUOS AGRICOLAS E SIMILARES

ConcedidaInvention Patent

Application data

Number

PI8104473

Type

Invention Patent

Filing

07/11/1980

Publication

08/31/1982

Progress at the INPI

  1. Filing07/11/80
  2. Publication08/31/82
  3. Examination09/18/84
  4. Allowance07/30/85
  5. Grant02/04/86
  6. Terminated06/27/95

The patent was granted on 02/04/1986 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. P. (pessoa física)

Inventors

F. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

08/31/1982

RPI 619

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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