Official data from INPI

ARRANJO DE SINALIZACAO DE MARGEM DE VIA PARA UMA EXTENSAO DE UMA LINHA FERROVIARIA PARA CONTROLAR UM APARELHO DE SINAL DE CABINE TRANSPORTADO PELO TREM

ArquivadaInvention Patent

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Application data

Number

PI7705377

Type

Invention Patent

Filing

08/31/1976

Publication

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Progress at the INPI

Filing08/31/76
Publication
Abandoned
Allowance
Grant
In force

The application was abandoned: examination was not requested within the 36 months following the 08/31/1976 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: 06/08/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WESTINGHOUSE AIR BRAKE CO

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/08/1982

RPI 607

From the same holder

CAIXA DE ENGRENAGEM DE TRACAO APERFEICOAMENTO EM APARELHAGEM DE FREIO DE VEICULO CONTROLADO POR PRESSAO DE FLUIDO APERFEICOAMENTO EM MECANISMO DE FREIO DE VEICULO CONTROLADO A PRESSAO DE FLUIDO DISPOSITIVO DE VALVULA DE EMERGENCIA APERFEICOAMENTOS EM DISPOSITIVOS DE CILINDRO DE FREIO DISPOSITIVO DE VALVULA DE EMERGENCIA PARA USO EM UMA APARELHAGEM DE FREIO TORNEIRA ANGULAR DE MACHO ESFERICO BOCAL DE MANGUEIRA APERFEICOADO

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