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Official data from INPI

VÁLVULA DESLIZANTE PARA SISTEMA DE PRESURIZAÇÃO DE PNEUS PARA VEÍCULOS MÉDIOS E/OU PESADOS

Arquivada/ExtintaUtility Model

Application data

Number

MU7102759

Type

Utility Model

Filing

12/03/1991

Publication

05/12/1992

Progress at the INPI

  1. Filing12/03/91
  2. Publication05/12/92
  3. Examination07/21/92
  4. Allowance06/01/93
  5. Grant03/29/94
  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: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vdo Comercial Ltda

SP, BR

Inventors

F. C. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/12/2001

07/01/2008

RPI 1956

Concessão da patente

#16.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

11/16/1993

RPI 1198

Deferimento

#9.1

06/01/1993

RPI 1174

Solicitação de exame técnico

#4.1

07/21/1992

RPI 1129

Publicação antecipada

#3.2

05/12/1992

RPI 1119

Pedido de patente depositado

#2.1

01/21/1992

RPI 1103

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