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Official data from INPI

PROCESSO PARA ALVEJAMENTO E DESLIGNIFICAÇÃO DE MATERIAIS QUE CONTÊM CELULOSE

ConcedidaInvention Patent

Application data

Number

PI8203307

Type

Invention Patent

Filing

06/04/1982

Publication

05/24/1983

Progress at the INPI

  1. Filing06/04/82
  2. Publication05/24/83
  3. Examination12/06/83
  4. Allowance03/11/86
  5. Grant09/30/86
  6. Terminated04/02/96

The patent was granted on 09/30/1986 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. A. (pessoa física)

SE

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Inventors

R. M. (pessoa física)

FI

Technical data

IPC Classification

Priority claims

FI

81 1800 · 06/10/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

11/13/1984

RPI 734

Conhecimento de parecer técnico

#7.1

06/19/1984

RPI 713

Solicitação de exame técnico

#4.1

12/06/1983

RPI 685

Publicação do pedido de patente

#3.1

05/24/1983

RPI 657

Pedido de patente depositado

#2.1

07/27/1982

RPI 614

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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