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Official data from INPI

SISTEMA DE PROTECAO CONTRA FALHAS AUTOMATICO PARA UM CONTROLE DE RECUPERACAO DE POTENCIA

ConcedidaInvention Patent
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Application data

Number

PI8108598

Type

Invention Patent

Filing

05/05/1980

Publication

04/06/1982
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Progress at the INPI

  1. Filing05/05/80
  2. Publication04/06/82
  3. Examination12/20/83
  4. Allowance07/09/85
  5. Grant04/29/86
  6. Terminated11/08/94

The patent was granted on 04/29/1986 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SQUARE D CO [US]

Inventors

B. S. (pessoa física)

J. F. (pessoa física)

L. M. (pessoa física)

R. W. (pessoa física)

Technical data

IPC Classification

H02M 5/42

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

06/26/1984

RPI 714

Solicitação de exame técnico

#4.1

12/20/1983

RPI 687

Notificação de entrada na fase nacional - PCT

#1.3

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

11/08/1994

RPI 1249

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