Official data from INPI

FUNIL DE FUNDIÇÃO PARA METAIS FUNDIDOS.

IndeferidaInvention Patent

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Application data

Number

PI8707579

Type

Invention Patent

Filing

11/26/1987

Publication

03/14/1989

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Progress at the INPI

Under appeal

Filing11/26/87
Publication03/14/89
Examination05/15/90
Refused12/13/94
Grant
In force

The application was refused by the INPI on 12/13/1994. The invention was never patented.

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Latest action published by the INPI: 03/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Schweizerische Aluminium Ag

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

03/14/1989

RPI 960

Indeferimento

#9.2

12/13/1994

RPI 1254

Conhecimento de parecer técnico

#7.1

02/08/1994

RPI 1210

Solicitação de exame técnico

#4.1

05/15/1990

RPI 1018

From the same holder

FILTRO DE ESPUMA CERÂMICO E PROCESSO PARA A SUA FABRICAÇÃO SEM TITULO SEM TITULO PROCESSO PARA PRODUZIR TRIIDRATO DE FLUORETO DE ALUMÍNIO E ÁCIDO SILÍCICO, E PROCESSO PARA A PRODUÇÃO DE VIDRO SOLÚVEL

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