Official data from INPI

PROCESSO DE CARREGAMENTO DE PRANCHAS EM UMA EMBARCACAO

ConcedidaInvention Patent

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Application data

Number

PI7500844

Type

Invention Patent

Filing

02/09/1974

Publication

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Progress at the INPI

Filing02/09/74
Publication
Examination
Allowance
Grant04/27/82
Expired08/03/93

The letters patent expired on 08/03/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 04/27/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HITACHI SHIPBUILDING ENG CO

KAWASAKI STEEL CO

Inventors

H. S. (pessoa física)

I. K. (pessoa física)

K. T. (pessoa física)

K. Y. (pessoa física)

M. T. (pessoa física)

M. S. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

From the same holder

SISTEMA PARA A RECUPERACAO SOB A FORMA DE ENERGIA DA PRESSAO E DO CALOR SENSIVEL A PARTIR DE UM GAS DESCARREGADO A PARTIR DA PARTE SUPERIOR DE UM ALTO FORNO MOTOR DIESEL MARITIMO E NAVIO EQUIPADO COM MOTOR DIESEL

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