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Official data from INPI

DISPOSITIVO DE VÁLVULA REGULADORA PARA FLUIDOS DE PRESSÃO HIDRÁULICA EM MECANISMOS AMORTECEDORES DE VEÍCULOS

DeferidaInvention PatentPCT · SE1985000509

Application data

Number

PI8507101

Type

Invention Patent

Filing

12/06/1985

Publication

03/31/1987

PCT

SE1985000509

Progress at the INPI

  1. Filing12/06/85
  2. Publication03/31/87
  3. Examination01/12/88
  4. Allowance11/21/89
  5. Grant06/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. L. (pessoa física)

US

Inventors

M. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

SE

8406224-9 · 12/07/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/21/1989

RPI 996

Exigência - art. 36 da LPI

#6.1

05/30/1989

RPI 971

Solicitação de exame técnico

#4.1

01/12/1988

RPI 899

Notificação de entrada na fase nacional - PCT

#1.3

03/31/1987

RPI 858

Carta-patente expirada

#21.1

Patente extinta em 06/12/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/27/1990

RPI 1011

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