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Official data from INPI

DISJUNTOR DE CIRCUITO.

ConcedidaInvention Patent

Application data

Number

PI8004593

Type

Invention Patent

Filing

07/23/1980

Publication

-

Progress at the INPI

  1. Filing07/23/80
  2. Publication
  3. Examination05/10/83
  4. Allowance04/24/84
  5. Grant10/30/84
  6. Expired09/19/95

The letters patent expired on 09/19/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. C. (pessoa física)

US

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Inventors

B. W. (pessoa física)

M. A. (pessoa física)

Technical data

IPC Classification

Priority claims

US

062.273 · 07/30/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

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

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

05/10/1983

RPI 655

Carta-patente expirada

#21.1

09/19/1995

RPI 1294

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