Official data from INPI

TRANSORMADOR MONOFASICO COM NUCLEO DE ENROLAMENTO DE MATERIAL LAMINADO E COM ENROLAMENTOS IMPREGNADOS EM RESINA DE FUSAO

Em AnáliseInvention Patent

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Application data

Number

PI8006044

Type

Invention Patent

Filing

09/25/1979

Publication

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Progress at the INPI

Filing09/25/79
Publication
Examination03/29/83
Allowance11/29/83
Grant05/29/84
Terminated09/26/89

The patent was granted on 05/29/1984 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRANSFORMATOREN UNION AG

Inventors

A. G. (pessoa física)

P. R. (pessoa física)

Technical data

IPC Classification

H01F 15/02 H01F 27/02 H01F 3/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Exigência - art. 36 da LPI

#6.1

06/05/1984

RPI 711

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/20/1984

RPI 700

Deferimento

#9.1

11/29/1983

RPI 684

Solicitação de exame técnico

#4.1

03/29/1983

RPI 649

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ENROLAMENTO PARA TRANSFORMADORES SECOS INSTALACAO PARA O AJUSTE DA TENSAO EM TRANSFORMADORES SOB CARGA

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