Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

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Application data

Number

PI7410199

Type

Invention Patent

Filing

12/05/1974

Publication

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Progress at the INPI

Filing12/05/74
Publication
Examination
Allowance
Grant05/18/82
Expired08/10/93

The letters patent expired on 08/10/1993: 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: 12/10/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

12/10/1985

RPI 790

20.9

08/27/1985

RPI 775

Concessão da patente

#16.1

05/18/1982

RPI 604

Carta-patente expirada

#21.1

08/10/1993

RPI 1184

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SEM TITULO PI9204259 MÉTODO E EQUIPAMENTO PARA ACIONAMENTO POR MAGNETIZACÃO DE ELEMENTOS PARA FORMACÃO DE PAINÉIS SEM TITULO ELÉTRODO BIPOLAR PARA BATERIAS SECUNDÁRIAS ANTENA PARA RADIAÇÃO ELETROMAGNÉTICA.SEM TITULO SEM TITULO

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