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Official data from INPI

COMPOSTOS E PROCESSO PARA FABRICAÇÃO DOS MESMOS.

Em AnáliseInvention Patent

Application data

Number

PI7904543

Type

Invention Patent

Filing

07/17/1979

Publication

-

Progress at the INPI

  1. Filing07/17/79
  2. Publication
  3. Examination08/17/82
  4. Allowance01/10/84
  5. Grant07/31/84
  6. Terminated06/14/88

The patent was granted on 07/31/1984 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: 06/14/1988. 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

K. H. (pessoa física)

K. P. (pessoa física)

S. J. (pessoa física)

V. J. (pessoa física)

V. P. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

30339/78 · 07/19/1978

NL

30340/78 · 07/19/1978

NL

33763/78 · 08/17/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

07/19/1983

RPI 665

Solicitação de exame técnico

#4.1

08/17/1982

RPI 617

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