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Official data from INPI

VÁLVULA HIDRÁULICA COM TRÊS VIAS

Em AnáliseInvention Patent

Application data

Number

PI8802059

Type

Invention Patent

Filing

04/28/1988

Publication

11/29/1988

Progress at the INPI

  1. Filing04/28/88
  2. Publication11/29/88
  3. Examination05/16/89
  4. Allowance04/23/91
  5. Grant11/26/91
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. G. (pessoa física)

FR

Inventors

C. G. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87 06 077 · 04/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/16/1989

RPI 969

Publicação do pedido de patente

#3.1

11/29/1988

RPI 945

Pedido de patente depositado

#2.1

09/13/1988

RPI 934

Carta-patente expirada

#21.1

Patente extinta em 28/04/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/06/1991

RPI 1079

Deferimento

#9.1

04/23/1991

RPI 1064

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