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Official data from INPI

VÁLVULA DE MISTURA SENSORA DE TEMPERATURA DA ÁGUA E DE CONTROLE DE FLUXO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100665

Type

Invention Patent

Filing

02/19/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/19/91
  2. Publication10/29/91
  3. Examination05/11/93
  4. Allowance03/14/95
  5. Grant10/31/95
  6. Expired06/22/10

The letters patent expired on 06/22/2010: 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: 06/22/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. I. (pessoa física)

US

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Inventors

R. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

481.238 · 02/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/02/2006

06/22/2010

RPI 2059

Concessão da patente

#16.1

10/31/1995

RPI 1300

Notificação para pagamento de retribuição

#13.1

08/29/1995

RPI 1291

Deferimento

#9.1

03/14/1995

RPI 1267

Exigência - art. 36 da LPI

#6.1

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

05/11/1993

RPI 1171

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

08/27/1991

RPI 1082

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