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Official data from INPI

TRANSISTOR.

Em AnáliseInvention Patent

Application data

Number

PI7906974

Type

Invention Patent

Filing

10/29/1979

Publication

-

Progress at the INPI

  1. Filing10/29/79
  2. Publication
  3. Examination08/03/82
  4. Allowance04/24/84
  5. Grant10/30/84
  6. Terminated07/12/88

The patent was granted on 10/30/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

H. P. (pessoa física)

P. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

956.813 · 11/01/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Deferimento

#9.1

04/24/1984

RPI 705

Exigência - art. 36 da LPI

#6.1

11/16/1983

RPI 682

Exigência - art. 36 da LPI

#6.1

02/22/1983

RPI 644

Solicitação de exame técnico

#4.1

08/03/1982

RPI 615

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