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Official data from INPI

CORREIA TRANSPORTADORA SEM-FIM DOTADA DE UMA DIREÇÃO DE PERCURSO

Prazo de SigiloInvention Patent

Application data

Number

PI8903851

Type

Invention Patent

Filing

08/01/1989

Publication

03/20/1990

Progress at the INPI

  1. Filing08/01/89
  2. Publication03/20/90
  3. Examination02/25/92
  4. Allowance08/31/93
  5. Grant04/26/94
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Goodyear Tire & Rubber Company

US

See this company's full portfolio

Inventors

D. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

227.922 · 08/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/28/1989

RPI 997

Carta-patente expirada

#21.1

Patente extinta em 01/08/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

04/26/1994

RPI 1221

Deferimento

#9.1

08/31/1993

RPI 1187

Exigência - art. 36 da LPI

#6.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

02/25/1992

RPI 1108

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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