Official data from INPI

SEM TITULO

Arquivada/ExtintaUtility Model

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Application data

Number

MU5600739

Type

Utility Model

Filing

08/31/1983

Publication

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Progress at the INPI

Filing08/31/83
Publication
Examination
Allowance12/15/81
Grant08/31/82
Expired08/16/88

The letters patent expired on 08/16/1988: 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: 08/16/1988. 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).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

04/27/1982

RPI 601

Deferimento

#9.1

12/15/1981

RPI 582

From the same holder

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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