Official data from INPI

SISTEMAS DE FREIO A AR COM VALVULA RETENTORA DE PRESSAO

ArquivadaInvention Patent

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Application data

Number

PI7800938

Type

Invention Patent

Filing

02/17/1977

Publication

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Progress at the INPI

Filing02/17/77
Publication
Abandoned
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: 11/08/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MIDLAND ROSS CORP

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Inventors

D. H. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/08/1983

RPI 681

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

From the same holder

ENGATE DE CARRO FERROVIARIO;ENGATE DE CARRO FERROVIARIO GIRATORIO DO TIPO EM F DISPOSITIVO DE ENGATE GIRATORIO PARA CARRO FEROVIARIO TRAVESSA PARA TRUQUE DE CARRO DE ESTRADA DE FERRO FORNO VALVULA DE CONTROLE MANUAL MAQUINA IMPRESSORA FORNO AQUECIDO A GAS,PROCESSO DE TRATAMENTO TERMICO,E FORNO PROJETADO PARA EVAPORAR UM VEICULO SOLVENTE LIQUIDO DE UM MATERIAL DE REVESTIMENTO DISPOSITIVO DE ACIONAMENTO DE CORREIA, MAQUINA DE IMPRESSAO, PROCESSO PARA ACIONAMENTO DE UMA CORREIA E PROCESSO PARA IMPEDIR MOVIMENTO RELATIVO ENTRE UMA CORREIA DE IMPRESSAO E RODAS DENTEADAS DE ACIONAMENTO

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