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Official data from INPI

SHUNT DE MEDIDA COM COMPENSAÇÃO DE TENSÃO DE ERRO INDUZIDA.

ConcedidaInvention Patent

Application data

Number

PI8007720

Type

Invention Patent

Filing

11/26/1980

Publication

-

Progress at the INPI

  1. Filing11/26/80
  2. Publication
  3. Examination
  4. Allowance10/11/83
  5. Grant03/27/84
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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

Enertec

FR

Enertec.

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Inventors

A. R. (pessoa física)

B. A. (pessoa física)

L. A. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

7929222 · 11/28/1979

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

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

05/17/1983

RPI 656

Exigência - art. 36 da LPI

#6.1

12/07/1982

RPI 633

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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