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Official data from INPI

POÇO PARA A MINERAÇÃO EM SOLUÇÃO DE SAL EM FORMAÇÃO SALINA SUBTERRÂNEA E PROCESSO PARA OPERAÇÃO DE UM POÇO

Em AnáliseInvention Patent

Application data

Number

PI8000151

Type

Invention Patent

Filing

01/10/1980

Publication

-

Progress at the INPI

  1. Filing01/10/80
  2. Publication
  3. Examination10/13/82
  4. Allowance12/20/83
  5. Grant06/26/84
  6. Terminated11/16/88

The patent was granted on 06/26/1984 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: 11/16/1988. 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. C. (pessoa física)

M. M. (pessoa física)

S. B. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

7900249 · 01/12/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

08/02/1983

RPI 667

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

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