Official data from INPI

DISPOSITIVO PARA DRENAR SOLOS EM PROFUNDIDADE

PublicadaInvention Patent

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Application data

Number

PI8701181

Type

Invention Patent

Filing

03/13/1987

Publication

09/20/1988

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Progress at the INPI

Filing03/13/87
Publication09/20/88
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 03/13/1987 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HYDROGEO S A [FR]

Inventors

G. J. (pessoa física)

Technical data

IPC Classification

E02B 11/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/20/1988

RPI 935

Pedido de patente depositado

#2.1

06/23/1987

RPI 870

Arquivamento - Art. 33 da LPI

#11.1

06/11/1991

RPI 1071

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