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Official data from INPI

DISPOSITIVO GERADOR DE IMPULSOS DE COMANDO DE TIRISTORES

Em ExigênciaInvention Patent

Application data

Number

PI8501081

Type

Invention Patent

Filing

03/12/1985

Publication

10/29/1985

Progress at the INPI

  1. Filing03/12/85
  2. Publication10/29/85
  3. Examination02/17/87
  4. Allowance03/05/91
  5. Grant09/24/91
  6. Terminated05/21/96

The patent was granted on 09/24/1991 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. A. (pessoa física)

FR

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Inventors

P. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

84 03 837 · 03/13/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

6.2

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

02/17/1987

RPI 852

Publicação do pedido de patente

#3.1

10/29/1985

RPI 784

Pedido de patente depositado

#2.1

05/28/1985

RPI 762

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Concessão da patente

#16.1

09/24/1991

RPI 1086

Notificação para pagamento de retribuição

#13.1

06/18/1991

RPI 1072

Deferimento

#9.1

03/05/1991

RPI 1057

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