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Official data from INPI

DISPOSIÇÃO INTRODUZIDA NO MECANISMO DE ACIONAMENTO DE VÁLVULA DE FUNDO PARA TANQUES EM GERAL

Arquivada/ExtintaUtility Model

Application data

Number

MU7002547

Type

Utility Model

Filing

11/26/1990

Publication

07/21/1992

Progress at the INPI

  1. Filing11/26/90
  2. Publication07/21/92
  3. Examination03/08/94
  4. Allowance08/08/95
  5. Grant07/30/96
  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.

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Latest action published by the INPI: 07/01/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. F. (pessoa física)

SP, BR

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 26/11/2000

07/01/2008

RPI 1956

Concessão da patente

#16.1

07/30/1996

RPI 1339

Notificação para pagamento de retribuição

#13.1

01/30/1996

RPI 1313

Deferimento

#9.1

08/08/1995

RPI 1288

Exigência - art. 36 da LPI

#6.1

03/01/1995

RPI 1265

Solicitação de exame técnico

#4.1

03/08/1994

RPI 1214

Publicação do pedido de patente

#3.1

07/21/1992

RPI 1129

Pedido de patente depositado

#2.1

07/02/1991

RPI 1074

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