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Official data from INPI

Jogo de barras de estações de alta tensão.

Em AnáliseInvention Patent

Application data

Number

PI8002453

Type

Invention Patent

Filing

04/22/1980

Publication

-

Progress at the INPI

  1. Filing04/22/80
  2. Publication
  3. Examination09/21/82
  4. Allowance11/01/83
  5. Grant04/24/84
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 08/05/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Delle - Alsthom

Inventors

O. L. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

7910223 · 04/23/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/05/1986

RPI 824

Pedido de licença compulsória

#20.1

07/29/1986

RPI 823

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

02/14/1984

RPI 695

Deferimento

#9.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

04/26/1983

RPI 653

Solicitação de exame técnico

#4.1

09/21/1982

RPI 622

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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