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Official data from INPI

PROCESSO DE PREPARAR UM ARTIGO DE MATERIAL EM PARTÍCULAS AGLUTINADO

ConcedidaInvention Patent

Application data

Number

PI8306780

Type

Invention Patent

Filing

12/09/1983

Publication

07/17/1984

Progress at the INPI

  1. Filing12/09/83
  2. Publication07/17/84
  3. Examination08/05/86
  4. Allowance04/25/89
  5. Grant10/24/89
  6. Terminated04/23/96

The patent was granted on 10/24/1989 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Foseco International Limited, companhia britânica

GB

See this company's full portfolio

Inventors

D. C. (pessoa física)

J. S. (pessoa física)

N. B. (pessoa física)

S. B. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8235375 · 12/11/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/24/1989

RPI 992

Notificação para pagamento de retribuição

#13.1

08/22/1989

RPI 983

Deferimento

#9.1

04/25/1989

RPI 966

Exigência - art. 36 da LPI

#6.1

09/27/1988

RPI 936

6.2

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

08/05/1986

RPI 824

Publicação do pedido de patente

#3.1

07/17/1984

RPI 717

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

Anuidade - prazo legal encerrado

#18.2

04/23/1996

RPI 1325

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