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Official data from INPI

PROCESSO DE CARBONIZAÇÃO CONTÍNUA DE MATERIAIS LIGNOCELULÓSICOS EM FORNO VERTICAL.

DeferidaInvention Patent

Application data

Number

PI8301847

Type

Invention Patent

Filing

04/07/1983

Publication

11/13/1984

Progress at the INPI

  1. Filing04/07/83
  2. Publication11/13/84
  3. Examination02/24/87
  4. Allowance10/31/89
  5. Abandoned
  6. In force

The application was allowed on 10/31/1989 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas do Estado de São Paulo

SP, BR

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Inventors

A. B. (pessoa física)

N. D. (pessoa física)

R. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

15.17

08/15/1989

RPI 982

15.4

11/03/1987

RPI 889

Solicitação de exame técnico

#4.1

02/24/1987

RPI 853

Solicitação de exame não realizada

#4.2

09/09/1986

RPI 829

Publicação do pedido de patente

#3.1

11/13/1984

RPI 734

Pedido de patente depositado

#2.1

05/24/1983

RPI 657

Arquivamento - Art. 38 §2° da LPI

#11.4

10/23/1990

RPI 1038

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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