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Official data from INPI

VÁLVULA DE DIREÇÃO PARA VEÍCULOS

Em AnáliseInvention PatentPCT · EP1987000016

Application data

Number

PI8707557

Type

Invention Patent

Filing

01/15/1987

Publication

02/21/1989

PCT

EP1987000016

Progress at the INPI

  1. Filing01/15/87
  2. Publication02/21/89
  3. Examination10/31/89
  4. Allowance04/14/92
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. A. (pessoa física)

DE

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Inventors

W. B. (pessoa física)

DE

W. R. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

LU

PCT/EP 86/00054 · 02/01/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/31/1989

RPI 993

Notificação de entrada na fase nacional - PCT

#1.3

02/21/1989

RPI 957

Carta-patente expirada

#21.1

Patente extinta em 15/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

09/15/1992

RPI 1137

Deferimento

#9.1

04/14/1992

RPI 1115

Exigência - art. 36 da LPI

#6.1

08/20/1991

RPI 1081

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