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Official data from INPI

DISPOSITIVO SEMICONDUTOR E TIRISTOR SEMICONDUTO.

Em AnáliseInvention Patent

Application data

Number

PI8005483

Type

Invention Patent

Filing

08/29/1980

Publication

-

Progress at the INPI

  1. Filing08/29/80
  2. Publication
  3. Examination05/10/83
  4. Allowance10/16/84
  5. Grant04/30/85
  6. Terminated09/26/89

The patent was granted on 04/30/1985 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

H. M. (pessoa física)

S. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

071.631 · 08/31/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

16.3

06/25/1985

RPI 766

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/16/1984

RPI 730

Exigência - art. 36 da LPI

#6.1

05/08/1984

RPI 707

Exigência - art. 36 da LPI

#6.1

11/16/1983

RPI 682

Solicitação de exame técnico

#4.1

05/10/1983

RPI 655

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