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Official data from INPI

COMPOSIÇÃO E PROCESSO PARA A CIMENTAÇÃO DE POÇOS PASSANDO ATRAVÉS DE FORMAÇÕES SALINAS.

IndeferidaInvention Patent

Application data

Number

PI8406550

Type

Invention Patent

Filing

12/18/1984

Publication

10/15/1985

Progress at the INPI

Under appeal
  1. Filing12/18/84
  2. Publication10/15/85
  3. Examination11/24/87
  4. Refused08/01/89
  5. Grant
  6. In force

The application was refused by the INPI on 08/01/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/01/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. S. (pessoa física)

E. D. (pessoa física)

FR

Inventors

R. P. (pessoa física)

Technical data

Priority claims

FR

83-20303 · 12/19/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/01/1989

RPI 980

Pedido de certificado de adição de invenção

#5.1

02/09/1988

RPI 903

Solicitação de exame técnico

#4.1

11/24/1987

RPI 892

5.2

09/01/1987

RPI 880

Publicação do pedido de patente

#3.1

10/15/1985

RPI 782

Pedido de patente depositado

#2.1

03/05/1985

RPI 750

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