Official data from INPI

MAQUINA DE ENROLAR BOBINAS ELETRICAS

ConcedidaInvention Patent

Talk to an expert

Application data

Number

PI7902278

Type

Invention Patent

Filing

04/14/1978

Publication

View on INPI

Progress at the INPI

Filing04/14/78
Publication
Examination02/09/82
Allowance08/24/82
Grant03/29/83
Expired06/21/94

The letters patent expired on 06/21/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOKYO SHIBAURA ELECTRIC CO

See this company's full portfolio

Inventors

M. T. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

H01F 41/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Solicitação de exame técnico

#4.1

02/09/1982

RPI 590

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

From the same holder

ENROLAMENTO PARA APARELHO INDUTIVO ELETRICO RESISTOR DE DESCARGA UNIDADE DE TRANSFORMADOR QUADRO DE COMUTACAO ENCOBERTO CENTRO DE CONTROLE DE MOTORES CONJUNTO DE CONTACTO ELETRICO MECANISMO DE OPERACAO DE MANIPULO MECANISMO DE OPERACAO DE PUNHO GIRATORIO E CONJUNTO DE INTERRUPTOR ELETRICO

Same category

MICROFONE SEM FIO DOTADO DE CÂMARA DE RESSONÂNCIA.PI9917905 PI9917904 PI9917902 PI9917898 PI9917895 PI9917684 PI9917655

Explore category

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.