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Official data from INPI

DISPOSITIVO PARA INDICAÇÃO DE POSIÇÃO DE UMA VÁLVULA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9105373

Type

Invention Patent

Filing

12/12/1991

Publication

08/25/1992

Progress at the INPI

  1. Filing12/12/91
  2. Publication08/25/92
  3. Examination06/28/94
  4. Allowance06/11/96
  5. Grant03/25/97
  6. Expired07/06/10

The letters patent expired on 07/06/2010: 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: 07/06/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gebrueder Mueller Apparatebau GmbH & Co. KG

DE

Inventors

F. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

G 90 17 208.6 · 12/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 12/12/2006

07/06/2010

RPI 2061

Concessão da patente

#16.1

03/25/1997

RPI 1373

Deferimento

#9.1

06/11/1996

RPI 1332

Solicitação de exame técnico

#4.1

06/28/1994

RPI 1230

Publicação do pedido de patente

#3.1

08/25/1992

RPI 1134

Pedido de patente depositado

#2.1

01/28/1992

RPI 1104

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