Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

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Application data

Number

PI7604794

Type

Invention Patent

Filing

07/23/1976

Publication

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Progress at the INPI

Filing07/23/76
Publication
Examination
Allowance
Grant12/27/83
Expired07/20/93

The letters patent expired on 07/20/1993: 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: 07/23/1985. 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).

201

07/23/1985

RPI 770

Pedido de licença voluntária

#17.1

02/12/1985

RPI 747

Concessão da patente

#16.1

12/27/1983

RPI 688

110

08/16/1983

RPI 669

120

03/29/1983

RPI 649

Recurso

#12.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

07/20/1993

RPI 1181

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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