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Official data from INPI

APARELHO E PROCESSO PARA SEPARAR SÓLIDOS DE FORMA SUBSTANCIALMENTE ESFÉRICA DE SÓLIDOS IRREGULARMENTE CONFORMADOS

ConcedidaInvention Patent

Application data

Number

PI8206177

Type

Invention Patent

Filing

10/22/1982

Publication

05/29/1984

Progress at the INPI

  1. Filing10/22/82
  2. Publication05/29/84
  3. Examination07/15/86
  4. Allowance09/06/88
  5. Grant06/27/89
  6. Terminated01/03/95

The patent was granted on 06/27/1989 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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

B. J. (pessoa física)

T. T. (pessoa física)

V. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/27/1989

RPI 975

Notificação para pagamento de retribuição

#13.1

12/27/1988

RPI 949

Deferimento

#9.1

09/06/1988

RPI 933

Exigência - art. 36 da LPI

#6.1

03/08/1988

RPI 907

Conhecimento de parecer técnico

#7.1

06/02/1987

RPI 867

Solicitação de exame técnico

#4.1

07/15/1986

RPI 821

Publicação do pedido de patente

#3.1

05/29/1984

RPI 710

Pedido de patente depositado

#2.1

12/14/1982

RPI 634

Anuidade - prazo legal encerrado

#18.2

01/03/1995

RPI 1257

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