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Official data from INPI

COMPOSICAO DE MATERIAL A BASE DE FIBRAS E CIMENTO E PROCESSO DE FABRICACAO DE PRODUTOS A BASE DE CIMENTO-AMIANTO

Em ExigênciaInvention Patent
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Application data

Number

PI7807775

Type

Invention Patent

Filing

11/28/1977

Publication

-
View on INPI

Progress at the INPI

Office action pending
  1. Filing11/28/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical office action on this application. If it is not answered in time, the application is abandoned (art. 36 of the Brazilian IP Act).

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Latest action published by the INPI: 09/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ENG & DEV ETS

Inventors

No inventors listed.

Technical data

IPC Classification

C04B 31/04C04B 31/36

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

01/18/1983

RPI 639

6.2

12/29/1981

RPI 584

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