Official data from INPI

LIGA DE CHUMBO-CALCIO-ESTANHO PARA FABRICACAO DE GRADES DE BATERIAS ELETRICAS

Em AnáliseInvention Patent

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Application data

Number

PI8304183

Type

Invention Patent

Filing

08/04/1983

Publication

03/12/1985

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Progress at the INPI

Under appeal

Filing08/04/83
Publication03/12/85
Examination05/27/86
Refused10/09/90
Grant
In force

The application was refused by the INPI on 10/09/1990. The invention was never patented.

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Latest action published by the INPI: 06/13/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LUCAS VULCANIA COMPANHIA BRASI [BR]

Inventors

R. C. (pessoa física)

Technical data

IPC Classification

C22C 11/02 H01M 2/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

06/13/1989

RPI 973

14.4

05/10/1988

RPI 916

Solicitação de exame técnico

#4.1

05/27/1986

RPI 814

Publicação do pedido de patente

#3.1

03/12/1985

RPI 751

Pedido de patente depositado

#2.1

10/11/1983

RPI 677

Indeferimento

#9.2

10/09/1990

RPI 1036

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