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Official data from INPI

LAMA DE CIMENTO HIDRÁULICO DE ALTA DENSIDADE, MÉTODO PARA SUA PRODUÇÃO E USOS DA MICROSSILICA

PublicadaInvention Patent
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Application data

Number

PI8805818

Type

Invention Patent

Filing

11/08/1988

Publication

08/01/1989
View on INPI

Progress at the INPI

  1. Filing11/08/88
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 11/08/1988. It awaits formal examination and publication in the RPI gazette.

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

Applicants and inventors

Applicants

N. S. (pessoa física)

NO

Inventors

A. V. (pessoa física)

J. S. (pessoa física)

NO

O. K. (pessoa física)

Technical data

IPC Classification

C04B 28/00

Priority claims

NO

874653 · 11/09/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/01/1989

RPI 980

Pedido de patente depositado

#2.1

03/14/1989

RPI 960

Retificação

#15.3

02/13/1996

RPI 1315

Pedido de certificado de adição de invenção

#5.1

08/07/1990

RPI 1027

Solicitação de exame técnico

#4.1

03/20/1990

RPI 1010

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