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Official data from INPI

PROCESSO PARA APREP[ARAÇÃO DE UM OU MAIS ÁLCOOIS

Em AnáliseInvention Patent

Application data

Number

PI7703053

Type

Invention Patent

Filing

05/11/1977

Publication

-

Progress at the INPI

  1. Filing05/11/77
  2. Publication
  3. Examination
  4. Allowance07/27/82
  5. Grant02/22/83
  6. Terminated12/08/87

The patent was granted on 02/22/1983 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: 12/08/1987. 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

A. F. (pessoa física)

GB

J. B. (pessoa física)

NL

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

12/14/1982

RPI 634

Deferimento

#9.1

07/27/1982

RPI 614

15.0

03/23/1982

RPI 596

Exigência - art. 36 da LPI

#6.1

12/29/1981

RPI 584

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