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Official data from INPI

DISPOSITIVO PARA ELETRICAMENTE AQUECER GASES NA FORMA DE UM GERADOR DE PLASMA

DeferidaInvention Patent

Application data

Number

PI8306097

Type

Invention Patent

Filing

11/07/1983

Publication

11/13/1984

Progress at the INPI

  1. Filing11/07/83
  2. Publication11/13/84
  3. Examination11/04/86
  4. Allowance08/22/89
  5. Grant03/20/90
  6. Terminated05/09/95

The patent was granted on 03/20/1990 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SKF Steel Engineering AB, companhia sueca

SE

Inventors

J. T. (pessoa física)

SE

M. K. (pessoa física)

SE

P. M. (pessoa física)

SE

S. S. (pessoa física)

SE

Technical data

IPC Classification

Priority claims

SE

83 01 394-6 · 03/15/1983

SE

83 03 706-9 · 06/29/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/22/1989

RPI 983

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

6.2

09/15/1987

RPI 882

Solicitação de exame técnico

#4.1

11/04/1986

RPI 837

Publicação do pedido de patente

#3.1

11/13/1984

RPI 734

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Anuidade - prazo legal encerrado

#18.2

05/09/1995

RPI 1275

Concessão da patente

#16.1

03/20/1990

RPI 1010

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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