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Official data from INPI

COMPOSIÇÃO DE CIMENTO HIDRÁULICO COM PEGA RETARDADA

Em AnáliseInvention Patent

Application data

Number

PI8505122

Type

Invention Patent

Filing

10/16/1985

Publication

07/29/1986

Progress at the INPI

Under appeal
  1. Filing10/16/85
  2. Publication07/29/86
  3. Examination12/02/86
  4. Refused04/10/90
  5. Grant
  6. In force

The application was refused by the INPI on 04/10/1990. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

COATEX SA [FR]

TOTAL PETROLES [FR]

Inventors

D. B. (pessoa física)

J. R. (pessoa física)

M. L. (pessoa física)

P. B. (pessoa física)

Y. R. (pessoa física)

Pessoa física

Technical data

IPC Classification

Priority claims

FR

8416004 · 10/16/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

08/22/1989

RPI 983

Solicitação de exame técnico

#4.1

12/02/1986

RPI 841

Publicação do pedido de patente

#3.1

07/29/1986

RPI 823

Pedido de patente depositado

#2.1

12/17/1985

RPI 791

Indeferimento

#9.2

04/10/1990

RPI 1013

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