Official data from INPI

PROCESSO PARA FABRICACAO DE UM CONJUNTO DE POLOS MAGNETICOS

ConcedidaInvention Patent

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Application data

Number

PI8100718

Type

Invention Patent

Filing

10/17/1980

Publication

08/17/1982

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Progress at the INPI

Filing10/17/80
Publication08/17/82
Examination03/22/83
Allowance03/13/84
Grant08/28/84
Terminated06/20/95

The patent was granted on 08/28/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. K. (pessoa física)

Inventors

M. U. (pessoa física)

Technical data

IPC Classification

H01F 41/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

07/03/1984

RPI 715

Deferimento

#9.1

03/13/1984

RPI 699

Solicitação de exame técnico

#4.1

03/22/1983

RPI 648

Publicação do pedido de patente

#3.1

08/17/1982

RPI 617

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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