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Official data from INPI

DISPOSITIVO DE COMANDO DE MEDIUM DE PRESSÃO PARA DIREÇÕES DE FORÇA AUXILIAR.

ConcedidaInvention PatentPCT · EP1984000133

Application data

Number

PI8407326

Type

Invention Patent

Filing

05/04/1984

Publication

09/23/1986

PCT

EP1984000133

Progress at the INPI

  1. Filing05/04/84
  2. Publication09/23/86
  3. Examination06/30/87
  4. Allowance06/07/88
  5. Grant02/28/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. A. (pessoa física)

DE

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Inventors

A. L. (pessoa física)

DE

H. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

PCT/EP 83/00196 · 07/23/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/07/1988

RPI 920

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Notificação de entrada na fase nacional - PCT

#1.3

09/23/1986

RPI 831

Carta-patente expirada

#21.1

Patente extinta em 04/05/99

07/08/2008

RPI 1957

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