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Official data from INPI

VÁLVULA COM DISTRIBUIDOR GIRATÓRIO PARA DIREÇÕES HIDRÁULICAS DE FORÇA AUXILIAR

Arquivada/ExtintaInvention PatentPCT · EP1987000523

Application data

Number

PI8707810

Type

Invention Patent

Filing

09/16/1987

Publication

08/15/1989

PCT

EP1987000523

Progress at the INPI

  1. Filing09/16/87
  2. Publication08/15/89
  3. Examination03/27/90
  4. Allowance06/16/92
  5. Grant03/30/93
  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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. A. (pessoa física)

DE

Inventors

D. E. (pessoa física)

DE

H. H. (pessoa física)

W. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

LU

PCT/EP86/00542 · 09/19/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Carta-patente expirada

#21.1

Patente extinta em 16/09/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

03/30/1993

RPI 1165

Notificação para pagamento de retribuição

#13.1

11/03/1992

RPI 1144

Deferimento

#9.1

06/16/1992

RPI 1124

Exigência - art. 36 da LPI

#6.1

09/17/1991

RPI 1085

Solicitação de exame técnico

#4.1

03/27/1990

RPI 1011

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