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Official data from INPI

CONEXAO PARA TUBO FELXIVEL CONJUNTO DE TUBO FLEXIVEL E CONEXAO PROCESSO PARA JUNTAR TUBOS FLEXIVEIS

ConcedidaInvention Patent

Application data

Number

PI8107592

Type

Invention Patent

Filing

11/28/1980

Publication

08/17/1982

Progress at the INPI

  1. Filing11/28/80
  2. Publication08/17/82
  3. Examination11/16/83
  4. Allowance10/09/84
  5. Grant04/30/85
  6. Expired08/19/08

The letters patent expired on 08/19/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODYEAR TIRE & RUBBER

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Inventors

E. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/30/1985

RPI 758

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

04/17/1984

RPI 704

Solicitação de exame técnico

#4.1

11/16/1983

RPI 682

Publicação do pedido de patente

#3.1

08/17/1982

RPI 617

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

Patente extinta em 23/11/96

08/19/2008

RPI 1963

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