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Official data from INPI

CIRCUITO DETECTOR DE CORRENTE.

ConcedidaInvention Patent

Application data

Number

PI8000482

Type

Invention Patent

Filing

01/25/1980

Publication

-

Progress at the INPI

  1. Filing01/25/80
  2. Publication
  3. Examination
  4. Allowance08/30/83
  5. Grant03/27/84
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMPER S/A

Inventors

G. C. (pessoa física)

Technical data

IPC Classification

Priority claims

ES

244.069 · 06/21/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/20/1983

RPI 687

Deferimento

#9.1

08/30/1983

RPI 671

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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