Official data from INPI

COMBUSTIVEL SOLIDO ORIGINADO DA SERRAGEM E SUA FABRICACAO

IndeferidaInvention Patent

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Application data

Number

PI8104499

Type

Invention Patent

Filing

07/07/1981

Publication

02/22/1983

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Progress at the INPI

Under appeal

Filing07/07/81
Publication02/22/83
Examination11/29/83
Refused03/12/85
Grant
In force

The application was refused by the INPI on 03/12/1985. The invention was never patented.

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Latest action published by the INPI: 03/12/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HITACHI ZOSEN METALMECANICA LT [BR]

Inventors

S. F. (pessoa física)

Y. M. (pessoa física)

Technical data

IPC Classification

C10L 5/44

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/12/1985

RPI 751

Conhecimento de parecer técnico

#7.1

07/03/1984

RPI 715

Solicitação de exame técnico

#4.1

11/29/1983

RPI 684

Solicitação de exame não realizada

#4.2

06/21/1983

RPI 661

Publicação do pedido de patente

#3.1

02/22/1983

RPI 644

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