Official data from INPI

SEM TITULO

ConcedidaUtility Model

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Application data

Number

MU5801837

Type

Utility Model

Filing

07/31/1978

Publication

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Progress at the INPI

Filing07/31/78
Publication
Examination
Allowance08/17/82
Grant05/31/83
Expired12/07/93

The letters patent expired on 12/07/1993: 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: 05/31/1983. 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).

Concessão da patente

#16.1

05/31/1983

RPI 658

Deferimento

#9.1

08/17/1982

RPI 617

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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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