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Official data from INPI

Instalação de comutação de alta tensão isolada com gás sob pressão, sobretudo com encapsulamento metálico monofásico.

ConcedidaInvention Patent

Application data

Number

PI8302282

Type

Invention Patent

Filing

05/03/1983

Publication

01/03/1984

Progress at the INPI

  1. Filing05/03/83
  2. Publication01/03/84
  3. Examination12/03/85
  4. Allowance12/29/87
  5. Grant07/26/88
  6. Terminated04/25/95

The patent was granted on 07/26/1988 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: 07/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

D. L. (pessoa física)

O. W. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

DE

P 32 17 186.2 · 05/04/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1988

RPI 927

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

06/23/1987

RPI 870

Solicitação de exame técnico

#4.1

12/03/1985

RPI 789

Publicação do pedido de patente

#3.1

01/03/1984

RPI 689

Pedido de patente depositado

#2.1

06/21/1983

RPI 661

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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