Official data from INPI

processo para realização de obras de concreto armado como em túnes para tráfego, galerias subterrâneas, túneis para metrô e elementos prefabricados em concreto armado.

Em AnáliseInvention Patent

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Application data

Number

PI8304095

Type

Invention Patent

Filing

07/29/1983

Publication

03/07/1984

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Progress at the INPI

Filing07/29/83
Publication03/07/84
Examination07/01/86
Refused02/28/89
Grant
In force

The application was refused on 02/28/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dynamique Du Batiment, etablissements

L. S. (pessoa física)

R. S. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

893989 · 07/30/1982

894659 · 10/08/1982

896080 · 03/04/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

02/28/1989

RPI 958

Petição de recurso

#12.2

08/09/1988

RPI 929

Indeferimento

#9.2

04/26/1988

RPI 914

Conhecimento de parecer técnico

#7.1

10/13/1987

RPI 886

Solicitação de exame técnico

#4.1

07/01/1986

RPI 819

Publicação do pedido de patente

#3.1

03/07/1984

RPI 698

Pedido de patente depositado

#2.1

10/04/1983

RPI 676

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