Official data from INPI

PERFURATRIZ PERCURSORA ROTATIVA SEM VÁLVULA.

PublicadaInvention Patent

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Application data

Number

PI8702017

Type

Invention Patent

Filing

04/03/1987

Publication

08/11/1987

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Progress at the INPI

Filing04/03/87
Publication08/11/87
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 04/03/1987 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: 08/11/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. P. (pessoa física)

Inventors

E. P. (pessoa física)

Technical data

IPC Classification

E21C 1/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação antecipada

#3.2

08/11/1987

RPI 877

Arquivamento - Art. 33 da LPI

#11.1

12/03/1991

RPI 1096

From the same holder

102016002775 102015025653

Same category

PI9917717 PI9917676 APARELHO PARA USO NA PERFURAÇÃO DE UM POÇO E MÉTODO DE PERFURAR UM FURO DE SONDAGEM.FINALIZAÇÃO DE POÇO.TRATOR ELETRICAMENTE SEQÜÊNCIADO DISPOSITIVO PARA ENCAIXE COM ATRITO DE ARTIGOS TUBULARES MÉTODO E APARELHO PARA ESTIMULAÇÃO SÍSMICA DE FORMAÇÕES QUE OSTENTAM FLUIDOS.NOVO SOLO LAMINADO DIRETO.

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