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Official data from INPI

TRANSFORMADOR ISOLADO POR GÁS SOB PRESSÃO.

ConcedidaInvention Patent

Application data

Number

PI8303226

Type

Invention Patent

Filing

06/17/1983

Publication

04/17/1984

Progress at the INPI

  1. Filing06/17/83
  2. Publication04/17/84
  3. Examination07/17/84
  4. Allowance10/01/85
  5. Grant05/27/86
  6. Terminated04/25/95

The patent was granted on 05/27/1986 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC Brown Boveri & Company Limited

CH

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Inventors

B. M. (pessoa física)

T. A. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

4392/82-5 · 07/19/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Deferimento

#9.1

10/01/1985

RPI 780

Exigência - art. 36 da LPI

#6.1

05/21/1985

RPI 761

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

07/17/1984

RPI 717

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

08/02/1983

RPI 667

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: H01F 27/32; H01F 40/06.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

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