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Official data from INPI

PROCESSO PARA PRODUCAO DE CAC12,EM PO,PROCESSO PARA PREPARACAO DE UMA COMPOSICAO PARA USO EM CIMENTACAO,COMPOSICAO PARA USO EM CIMENTACAO,PROCESSO PARA INTRODUCAO DE UMA MASSA DE CIMENTACAO EM POCOS PETROLIFEROS E CAC12 EM PO

ArquivadaInvention Patent

Application data

Number

PI8206999

Type

Invention Patent

Filing

12/02/1982

Publication

07/10/1984

Progress at the INPI

  1. Filing12/02/82
  2. Publication07/10/84
  3. Abandoned08/26/86
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/03/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JORGE OMAR CASTRO [BR]

ROBERTO ORLANDO MICHELUTTI [BR]

Inventors

M. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/03/1988

RPI 915

Exigência - art. 36 da LPI

#6.1

09/29/1987

RPI 884

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

14.1

12/26/1984

RPI 740

Publicação do pedido de patente

#3.1

07/10/1984

RPI 716

Pedido de patente depositado

#2.1

01/25/1983

RPI 640

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