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Official data from INPI

CIRCUITO EM LACO COM BLOQUEIO DE FASE

Em AnáliseInvention Patent

Application data

Number

PI7903850

Type

Invention Patent

Filing

06/15/1978

Publication

-

Progress at the INPI

  1. Filing06/15/78
  2. Publication
  3. Examination
  4. Allowance09/28/82
  5. Grant05/31/83
  6. Expired04/04/95

The letters patent expired on 04/04/1995: 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: 05/29/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NIPPON ELECTRIC CO

Inventors

F. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

05/29/1984

RPI 710

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

02/01/1983

RPI 641

Deferimento

#9.1

09/28/1982

RPI 623

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

Carta-patente expirada

#21.1

04/04/1995

RPI 1270

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