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Official data from INPI

bobina elétrica de indutância shunt.

ConcedidaInvention Patent

Application data

Number

PI8206897

Type

Invention Patent

Filing

11/29/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing11/29/82
  2. Publication10/04/83
  3. Examination02/26/85
  4. Allowance05/05/87
  5. Grant11/24/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alsthom-Atlantique

FR

Alsthom-Atlantique.

FR

See this company's full portfolio

Inventors

M. G. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

81 22 353 · 11/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/24/1987

RPI 892

Notificação para pagamento de retribuição

#13.1

09/22/1987

RPI 883

Deferimento

#9.1

05/05/1987

RPI 863

Exigência - art. 36 da LPI

#6.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

08/20/1985

RPI 774

Solicitação de exame técnico

#4.1

02/26/1985

RPI 749

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

01/18/1983

RPI 639

Carta-patente expirada

#21.1

Patente extinta em 29/11/97

07/01/2008

RPI 1956

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