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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE DERIVADOS DE CICLO-PROPANO E PRODUTOS OBTIDOS

Em AnáliseInvention Patent

Application data

Number

PI7800411

Type

Invention Patent

Filing

01/24/1978

Publication

-

Progress at the INPI

  1. Filing01/24/78
  2. Publication
  3. Examination
  4. Allowance07/12/83
  5. Grant12/27/83
  6. Terminated06/14/88

The patent was granted on 12/27/1983 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: 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

P. K. (pessoa física)

NL

P. V. (pessoa física)

Technical data

Priority claims

NL

3164/77 · 01/26/1977

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

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/12/1983

RPI 664

Exigência - art. 36 da LPI

#6.1

11/03/1982

RPI 628

Exigência - art. 36 da LPI

#6.1

04/27/1982

RPI 601

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