Official data from INPI

COMPOSICAO DE FORMACAO DE ESPINELIO

Em AnáliseInvention Patent

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Application data

Number

PI8603634

Type

Invention Patent

Filing

08/02/1985

Publication

03/10/1987

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Progress at the INPI

Filing08/02/85
Publication03/10/87
Abandoned10/11/88
Allowance
Grant
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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

REFRATECHNIK GMBH [DE]

Inventors

B. P. (pessoa física)

W. G. (pessoa física)

Technical data

IPC Classification

C04B 35/04 C04B 35/10 C04B 35/42

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Publicação do pedido de patente

#3.1

03/10/1987

RPI 855

Pedido de patente depositado

#2.1

01/06/1987

RPI 846

Arquivamento - Art. 36 §1° da LPI

#11.2

12/17/1991

RPI 1098

Exigência - art. 36 da LPI

#6.1

05/14/1991

RPI 1067

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