Official data from INPI

ENROLAMENTO PARA TRANSFORMADORES SECOS

Em AnáliseInvention Patent

Talk to an expert

Application data

Number

PI8105530

Type

Invention Patent

Filing

09/19/1980

Publication

05/18/1982

View on INPI

Progress at the INPI

Filing09/19/80
Publication05/18/82
Examination02/14/84
Allowance11/13/84
Grant05/28/85
Terminated06/21/88

The patent was granted on 05/28/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRANSFORMATOREN UNION AG

Inventors

P. R. (pessoa física)

Technical data

IPC Classification

H01F 27/32

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

05/18/1982

RPI 604

Pedido de patente depositado

#2.1

10/13/1981

RPI 573

From the same holder

TRANSORMADOR MONOFASICO COM NUCLEO DE ENROLAMENTO DE MATERIAL LAMINADO E COM ENROLAMENTOS IMPREGNADOS EM RESINA DE FUSAO INSTALACAO PARA O AJUSTE DA TENSAO EM TRANSFORMADORES SOB CARGA

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.