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Official data from INPI

APERFEICOAMENTOS NA FABRICACAO DE ACESSORIOS DESCONECTAVEIS PARA CABOS DE ENERGIA EXTRUDADOS DE MEDIA TENSAO

ConcedidaInvention Patent

Application data

Number

PI7808287

Type

Invention Patent

Filing

12/18/1978

Publication

-

Progress at the INPI

  1. Filing12/18/78
  2. Publication
  3. Examination
  4. Allowance12/07/82
  5. Grant08/30/83
  6. Expired05/24/94

The letters patent expired on 05/24/1994: 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: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. B. (pessoa física)

Inventors

O. M. (pessoa física)

S. L. (pessoa física)

T. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Deferimento

#9.1

12/07/1982

RPI 633

8.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

05/24/1994

RPI 1225

20.4

12/29/1992

RPI 1152

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