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Official data from INPI

TIRISTOR E PROCESSO DE FORMAR O MESMO

Em AnáliseInvention Patent

Application data

Number

PI7902521

Type

Invention Patent

Filing

04/24/1978

Publication

-

Progress at the INPI

  1. Filing04/24/78
  2. Publication
  3. Examination10/13/81
  4. Allowance02/08/83
  5. Grant08/30/83
  6. Terminated10/03/89

The patent was granted on 08/30/1983 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. E. (pessoa física)

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Inventors

T. V. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

07/13/1982

RPI 612

Solicitação de exame técnico

#4.1

10/13/1981

RPI 573

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