Official data from INPI

PROCESSO PARA O REFORÇO DE FORMAÇÕES GEOLÓGICAS

PublicadaInvention Patent

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Application data

Number

PI8804259

Type

Invention Patent

Filing

08/22/1988

Publication

03/14/1989

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Progress at the INPI

Filing08/22/88
Publication03/14/89
Abandoned06/11/91
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: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

Bergwerksverband Gmbh

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Inventors

F. M. (pessoa física)

H. M. (pessoa física)

M. K. (pessoa física)

P. V. (pessoa física)

W. C. (pessoa física)

Technical data

IPC Classification

C08K 5/54 C09K 17/00

Priority claims

P3727880.0 · 08/21/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/14/1989

RPI 960

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Arquivamento - Art. 36 §1° da LPI

#11.2

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

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