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Official data from INPI

NOVOS AGENTE DE CONTROLE DE PERDA DE FLUÍDO PARA SUSPENSÕES DE CIMENTO DE POÇO E PROCESSO DE CIMENTAÇÃO CORRESPONDENTE.

PublicadaInvention Patent
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Application data

Number

PI8606419

Type

Invention Patent

Filing

12/23/1986

Publication

10/13/1987
View on INPI

Progress at the INPI

  1. Filing12/23/86
  2. Publication10/13/87
  3. Abandoned05/15/90
  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.

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Latest action published by the INPI: 10/13/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. D. (pessoa física)

FR

Inventors

J. K. (pessoa física)

M. M. (pessoa física)

FR

P. R. (pessoa física)

Technical data

IPC Classification

C04B 103/46C04B 22/12C04B 24/16C04B 24/22C04B 24/26C04B 28/02C09K 8/46C09K 8/487

Priority claims

FR

85 19276 · 12/24/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/13/1987

RPI 886

Pedido de patente depositado

#2.1

04/28/1987

RPI 862

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C09K 7/02.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

09/14/1993

RPI 1189

Exigência - art. 36 da LPI

#6.1

03/02/1993

RPI 1161

Solicitação de exame técnico

#4.1

05/15/1990

RPI 1018

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