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Official data from INPI

CONJUNTO DE VÁLVULA ROTATIVA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003708

Type

Invention Patent

Filing

07/30/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing07/30/90
  2. Publication09/03/91
  3. Examination03/17/92
  4. Allowance03/15/94
  5. Grant10/25/94
  6. Expired05/25/10

The letters patent expired on 05/25/2010: 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: 05/25/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Gebruder Adams Armaturen U. Apparate GmbH & Co., K.G

DE

Inventors

B. B. (pessoa física)

DE

H. A. (pessoa física)

DE

R. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

US

392,247 · 08/10/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/07/2005

05/25/2010

RPI 2055

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

06/28/1994

RPI 1230

Deferimento

#9.1

03/15/1994

RPI 1215

Solicitação de exame técnico

#4.1

03/17/1992

RPI 1111

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

10/23/1990

RPI 1038

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