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Official data from INPI

DISPOSITIVO E PROCESSO PARA LIGAR PELO MENOS DOIS FIOS

Em AnáliseInvention Patent

Application data

Number

PI8603775

Type

Invention Patent

Filing

08/07/1986

Publication

03/10/1987

Progress at the INPI

  1. Filing08/07/86
  2. Publication03/10/87
  3. Examination05/09/89
  4. Allowance03/24/92
  5. Grant03/30/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Compagnie Generale Des Etablissements Michelin - Michelin Et Cie

FR

Michelin & Cie (Compagnie Générale des Etablissements Michelin).

FR

See this company's full portfolio

Inventors

F. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

85/12192 · 08/07/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

14.4

10/25/1988

RPI 940

Publicação do pedido de patente

#3.1

03/10/1987

RPI 855

Pedido de patente depositado

#2.1

02/24/1987

RPI 853

Carta-patente expirada

#21.1

Patente extinta em 07/08/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

09/01/1992

RPI 1135

Deferimento

#9.1

03/24/1992

RPI 1112

Exigência - art. 36 da LPI

#6.1

06/18/1991

RPI 1072

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